Whey Protein Isolate: Discover Key Benefits for Your Health

Harness the Exceptional Nutritional Benefits of Whey Protein Isolate for Improved Health and Fitness

Whey protein isolate serves as an outstanding source of nutritional quality, offering a plethora of health advantages tailored to meet diverse fitness goals across the globe. With a remarkable protein concentration surpassing 90%, coupled with minimal amounts of fat and lactose, it emerges as an excellent choice for those aiming to enhance their nutrition and foster overall well-being. This high-quality protein proves particularly beneficial for individuals dedicated to improving health and reaching their fitness ambitions.

Elevate Your Fitness Journey with the Exceptional Protein Concentration of Whey Protein Isolate

The primary strength of whey protein isolate lies in its extraordinarily high protein content, consistently exceeding 90%. This exceptional purity is crucial for a variety of individuals, from elite athletes thriving in Tokyo's vibrant gym culture to casual fitness enthusiasts enjoying the picturesque landscapes of New Zealand. This concentrated protein not only supports the development of lean muscle mass but also plays an essential role in recovery processes necessary for sustaining a vigorous lifestyle.

Extensive research has demonstrated that increased protein intake correlates with enhanced body composition and improved muscle performance. For instance, a study featured in the “American Journal of Clinical Nutrition” revealed that participants who incorporated whey protein isolate into their diets experienced significantly greater increases in muscle mass compared to those consuming lower protein levels. This universal advantage of whey protein isolate underscores its vital importance in dietary strategies across diverse cultures, from the bustling streets of Mexico City, where traditional dishes are often fortified with protein supplements, to fitness communities in London, where nutritional density and accessibility are highly valued.

Uncover the Health Advantages of Reduced Fat and Lactose Content for Dietary Sensitivities

A notable feature of whey protein isolate is its low levels of fat and lactose, making it an attractive option for individuals with dietary limitations or lactose intolerance. Unlike whey protein concentrate, which may contain higher levels of fat and lactose, whey protein isolate undergoes specific processing to significantly reduce these components, thus providing an excellent choice for a wide range of demographics, from health-conscious café patrons in Los Angeles to shoppers navigating the lively markets of Bangkok.

The minimal fat content of whey protein isolate aligns seamlessly with weight management strategies, allowing individuals to enjoy a high-quality protein source without the extra calories that could impede their progress. This balance is vital for anyone aiming to maintain or lose weight while ensuring adequate protein intake for recovery and overall health. The adaptability of whey protein isolate extends to numerous recipes, from energising smoothies in Sydney to wholesome baked goods in Berlin, enabling people worldwide to embrace its benefits without compromising their dietary choices.

Achieve Optimal Performance with a Comprehensive Profile of Essential Amino Acids

Essential amino acids are integral to protein structure, and a significant advantage of whey protein isolate is its complete profile that encompasses all nine essential amino acids. This completeness is essential for attaining peak health and performance, as the human body cannot produce these amino acids on its own. Whether you are a passionate CrossFit athlete in São Paulo or a devoted yoga practitioner in Bali, incorporating all essential amino acids through whey protein isolate can substantially enhance muscle repair and growth.

Moreover, the branched-chain amino acids (BCAAs) found in whey protein isolate, particularly leucine, are vital for stimulating muscle protein synthesis. Research corroborates that leucine plays a crucial role in activating the mammalian target of rapamycin (mTOR), a key pathway linked to muscle growth. This insight is particularly beneficial for fitness enthusiasts globally, from athletes facing rigorous training in Toronto to competitive sportspeople in Nairobi, as it highlights the importance of selecting a protein source that optimises recovery and muscle development.

Experience Rapid Recovery with Easily Digestible Whey Protein

The digestibility of protein sources is a crucial factor in effective nutrient absorption, and the characteristics of whey protein isolate particularly excel in this area. Its unique processing methods yield a protein that is exceptionally easy to digest, enabling swift absorption and utilisation by the body. This quality is especially advantageous for athletes following exercise, where prompt nutrient delivery is critical for optimal recovery.

Research indicates that the rapid digestion of whey protein isolate can initiate muscle recovery processes more efficiently than alternative protein sources. For example, a study published in “Nutrition & Metabolism” noted that athletes consuming whey protein isolate immediately post-workout experienced superior muscle recovery and reduced soreness compared to their counterparts who opted for other protein types. This swift action is invaluable for fitness enthusiasts engaged in high-intensity sports internationally, from soccer players in Barcelona to long-distance runners in Cape Town, as it ensures they can resume their training routines with minimal downtime.

Fortify Your Immune System with Whey Protein Isolate

Beyond its physical benefits, the advantages of whey protein isolate extend to bolstering immune support. This protein is abundant in immunoglobulins and other bioactive compounds that significantly enhance immune function, establishing it as a formidable ally in maintaining health amidst the demands of an active lifestyle.

Research has shown that the immunoglobulins present in whey can improve the body's immune response, assisting in the defence against illnesses and infections. For example, a study conducted in the Netherlands revealed that individuals who supplemented with whey protein exhibited improved immune markers compared to those who did not include this protein in their diets. This finding has considerable implications for individuals in various environments—from the active settings of athletic competitions in Sydney to the fast-paced lifestyles of corporate professionals in New York City—where sustaining optimal health is paramount.

Furthermore, the presence of glutamine, an amino acid vital for immune health, enhances the protective qualities of whey protein isolate. As athletes endure high levels of physical stress, maintaining immune function becomes essential, making whey protein isolate an indispensable nutritional component on a global scale.

Accelerate Muscle Growth and Recovery with Whey Protein Isolate

The journey towards muscle building and recovery is a finely-tuned process, and the significance of whey protein isolate within this journey cannot be overstated. As athletes and fitness enthusiasts across the globe strive for peak performance, the strategic inclusion of whey protein isolate becomes a transformative element—expediting recovery, enhancing muscle synthesis, and boosting overall endurance.

Utilise Rapid Absorption for Optimal Recovery After Workouts

The rapid absorption characteristic of whey protein isolate stands out as one of its most beneficial features, providing crucial support during the post-workout recovery phase. Athletes across various disciplines, whether sprinting on the tracks of Rio de Janeiro or lifting weights in London gyms, can benefit from the swift delivery of amino acids to fatigued muscles, promoting effective recovery.

Scientific research supports this advantage; a study published in the “Journal of the International Society of Sports Nutrition” established that whey protein isolate is absorbed more rapidly than other protein sources, rendering it ideal for post-exercise recovery. This quick availability helps to kickstart muscle repair and growth, ensuring that athletes maintain optimal performance levels. For those engaged in high-performance sports—such as rugby players in New Zealand or basketball players in San Francisco—this fast-acting protein facilitates shorter recovery times and diminishes muscle fatigue, enabling more frequent and intense training sessions.

Maximise Muscle Synthesis with Whey Protein Isolate

Promoting muscle protein synthesis is a fundamental role of whey protein isolate, essential for anyone aiming to enhance their physique or athletic performance. The amino acids present in whey, particularly leucine, are crucial for activating the mTOR pathway, which is vital for muscle growth. Fitness enthusiasts from various backgrounds—from marathon runners in Boston to bodybuilders in Thailand—can capitalise on this benefit to optimise their training results and achievements.

Research indicates that consuming whey protein isolate after exercise significantly boosts muscle protein synthesis. A landmark study published in “Nutrition Reviews” revealed that athletes supplementing with whey protein experienced superior muscle gains compared to those who did not. This compelling evidence underscores the importance of incorporating whey protein isolate into dietary plans worldwide, aiding individuals in attaining their fitness goals, irrespective of their training style or geographical location.

Alleviate Muscle Soreness with Whey Protein Isolate

Experiencing muscle soreness is a common challenge for both athletes and fitness devotees. Integrating whey protein isolate can effectively alleviate these discomforts, facilitating a more consistent training routine. Thanks to its anti-inflammatory properties, whey protein isolate not only aids in muscle recovery but also mitigates delayed onset muscle soreness (DOMS), a frequent hurdle faced by those engaged in intense physical activities.

This benefit was highlighted in research published in the “European Journal of Applied Physiology,” which demonstrated that participants consuming whey protein isolate post-exercise reported lower levels of muscle soreness compared to those who did not incorporate supplementation. For athletes involved in demanding sports, such as triathlons or weightlifting, this reduction in soreness translates to less downtime and greater adherence to their training regimens.

Enhance Muscle Endurance with Whey Protein Isolate

Improved muscle endurance is yet another remarkable advantage associated with whey protein isolate. This protein's capacity to support sustained physical activity empowers athletes to push their limits, whether they are scaling mountains in the Andes or participating in urban marathons across Europe.

Whey protein isolate not only aids in muscle recovery but also contributes to enhanced endurance, enabling athletes to perform at peak levels for extended periods. Research findings, such as those reported in the “American Journal of Sports Medicine,” suggest that individuals consuming whey protein prior to exercise exhibited improved endurance levels compared to those who did not. This benefit is especially advantageous for endurance athletes, facilitating greater cumulative training effects and enhancing overall performance.

Achieve Optimal Recovery with Strategic Nutrient Timing

The concept of nutrient timing emphasises the strategic intake of nutrients to optimise recovery and growth, with the benefits of whey protein isolate playing a pivotal role in this approach. Consuming whey protein isolate immediately following exercise can substantially enhance recovery outcomes, particularly in high-stakes environments such as professional sports leagues and competitive fitness events.

Studies have shown that consuming protein shortly after workouts can optimise muscle repair and growth. A notable study in the “Journal of Strength and Conditioning Research” found that participants who ingested whey protein isolate post-exercise experienced superior recovery markers compared to those who delayed their intake. Athletes and fitness enthusiasts are encouraged to adopt this practice, ensuring they harness the full potential of nutrient timing to effectively support their recovery processes.

Achieve Effective Weight Management with Whey Protein Isolate

Navigating the complex landscape of weight management necessitates effective strategies, and the benefits of whey protein isolate present a compelling solution for those aiming to control their weight while preserving lean muscle mass. The multifaceted advantages of whey protein isolate highlight its role as a versatile tool in the toolkit of fitness enthusiasts worldwide.

Enhance Satiety with Whey Protein Isolate for Effective Appetite Control

One of the remarkable characteristics of whey protein isolate is its ability to boost feelings of satiety. The high protein content promotes a sense of fullness, making it easier for individuals to successfully manage their appetite and caloric intake. This feature is crucial for those pursuing weight loss or maintenance, whether navigating the bustling markets of Mumbai or frequenting trendy fitness studios in Berlin.

Research supports the notion that high-protein diets, including whey protein isolate, increase satiety and decrease overall food consumption. A study published in the “American Journal of Clinical Nutrition” found that participants who integrated whey protein into their diets reported greater feelings of fullness compared to those consuming lower protein levels. This finding reinforces the significance of whey protein isolate as a beneficial component of weight management strategies worldwide, assisting individuals in making informed dietary choices with greater ease and effectiveness.

Boost Your Metabolism with Whey Protein Isolate

The thermogenic effect of dietary protein, including whey protein isolate, has been shown to enhance metabolic rates. This metabolic boost enables individuals to burn more calories, providing an additional advantage in weight management efforts. Whether exercising in the high-altitude regions of Peru or engaging in everyday fitness routines in urban parks, individuals can benefit from this metabolic enhancement.

Studies published in “Obesity” have demonstrated that increased protein intake correlates with heightened energy expenditure. This metabolic boost is especially beneficial for those in weight-loss phases, allowing them to maintain a caloric deficit while preserving lean muscle mass. The widespread appeal of whey protein isolate lies in its ability to support weight management in a delicious, convenient form, whether blended into smoothies in California or incorporated into baking recipes in Italy.

Facilitate Fat Loss While Preserving Muscle Mass with Whey Protein Isolate

Another significant advantage of whey protein isolate is its role in promoting fat loss while maintaining lean muscle mass. This aspect is crucial for individuals looking to improve their body composition, whether they are fitness enthusiasts in bustling urban centres or weight-conscious individuals in more rural areas.

Research consistently indicates that whey protein supplementation aids in body fat reduction without compromising muscle. For instance, a study published in the “Journal of Nutrition” revealed that participants utilising whey protein while adhering to a calorie-restricted diet lost more fat than those consuming alternative protein sources. This evidence emphasises the effectiveness of whey protein isolate as a fat-loss ally, establishing it as a staple for individuals globally seeking to reshape their bodies and enhance their overall health.

Strengthen Your Immune System with Whey Protein Isolate

The immune system functions as our body's primary defence against illness, and understanding how whey protein isolate can fortify this defence is essential for anyone striving to maintain optimal health. Featuring a unique blend of immunoglobulins, glutamine, and antioxidants, whey protein isolate emerges as a formidable ally for immune support on a global scale.

Enhance Immune Function with Immunoglobulins

Immunoglobulins are specialised proteins that play a pivotal role in the immune response, and whey protein isolate is rich in these compounds. These proteins enhance the body's capability to combat infections and diseases, making whey protein isolate a vital supplement for individuals engaged in high-intensity training, whether in the vibrant cities of Tokyo or the diverse landscapes of Nairobi.

Research indicates that the immunoglobulins present in whey protein isolate can significantly enhance immune function. A study conducted in Germany found that individuals who supplemented their diets with whey protein exhibited improved immune markers compared to those who did not incorporate this protein into their routines. This finding highlights the importance of integrating whey protein isolate into daily habits for anyone seeking to bolster their immune resilience, especially in high-stress environments where immune challenges are prevalent.

Uncover the Immune Benefits of Glutamine Content

Another essential facet of whey protein isolate is its rich glutamine content. This amino acid is crucial for immune function, playing a pivotal role in the health and performance of immune cells. Athletes and active individuals, in particular, can find immense value in glutamine, as physical exertion can deplete its levels.

Research demonstrates that glutamine supplementation can enhance immune function, particularly during periods of physical stress. A study in “Sports Medicine” highlighted that individuals consuming whey protein isolate, which is abundant in glutamine, experienced fewer illnesses during intense training seasons. This insight is invaluable for athletes worldwide, enabling them to prioritise their health while pushing their performance limits.

Utilise Antioxidant Properties for Immune Support

The antioxidant properties of whey protein isolate also contribute significantly to immune system support. Antioxidants are essential for combating oxidative stress, which can undermine immune function. The presence of cysteine in whey protein facilitates the production of glutathione, a powerful antioxidant that helps protect cells from damage.

Numerous studies have demonstrated that the antioxidative effects of whey protein can enhance overall health. For example, a study published in “Nutrition Research” indicated that participants consuming whey protein experienced improved antioxidant status compared to those who did not. This characteristic is particularly beneficial for individuals exposed to environmental stressors, whether from urban pollution in metropolitan areas or the increasing pressures of modern life.

Promote Gut Health with Probiotic Properties

The gut is frequently referred to as the “second brain,” and its health is intrinsically linked to overall immune function. Interestingly, the benefits of whey protein isolate extend to supporting gut health through its probiotic properties. Probiotics help enhance the balance of the gut microbiome, thereby strengthening the immune system's efficacy.

Research indicates that whey protein can act as a prebiotic, fostering the growth of beneficial gut bacteria. A study published in “Clinical Nutrition” revealed that individuals consuming whey protein exhibited improved gut health markers compared to those following a standard diet. This finding underscores the role of whey protein isolate not only as a source of protein but also as a valuable component in maintaining overall health and resilience against illness.

Embrace the Culinary Versatility of Whey Protein Isolate in Your Diet

One of the significant advantages of whey protein isolate is its extraordinary versatility, allowing it to be effortlessly integrated into various diets and culinary applications. From smoothies and baked goods to savoury dishes, whey protein isolate can elevate nutritional profiles without compromising taste or texture.

Seamless Integration into Daily Meals for Nutritional Enhancement

The adaptability of whey protein isolate makes it an ideal ingredient for a wide variety of foods and beverages. Health-conscious individuals can easily blend it into smoothies, enriching their morning routines with a protein boost. In bustling urban centres like Melbourne or during yoga retreats in the stunning Himalayas, incorporating whey protein isolate into morning smoothies has become a cherished practice among fitness enthusiasts.

Beyond smoothies, whey protein isolate can be infused into oatmeal, yogurt, or pancake mixes, offering endless culinary possibilities. This versatility empowers individuals worldwide to create nutritious meals and snacks that align with their dietary preferences, making it an essential ingredient for those looking to enhance their protein intake without sacrificing flavour.

Compatibility with Diverse Diets for Inclusive Nutrition Solutions

Whey protein isolate is compatible with an array of dietary preferences and restrictions, making it easily accessible to diverse populations. Whether someone adheres to a fitness-focused diet in the lively cafés of São Paulo or follows a high-protein regimen in the tranquil countryside of France, whey protein isolate suits various lifestyles and nutritional needs.

For vegetarians and flexitarians seeking plant-based options, whey protein isolate provides a high-quality protein source without the saturated fats often linked to animal products. This flexibility extends to gluten-free diets as well, enabling individuals to enjoy the benefits of protein supplementation without compromising their dietary restrictions.

Convenient Solutions for Busy Lifestyles with Whey Protein Isolate

In today's fast-paced world, convenience is paramount, and the benefits of whey protein isolate align perfectly with the demands of busy lifestyles. Whey protein isolate is portable and easy to consume, making it a popular choice among individuals who are constantly on the go.

The popularity of protein shakes in urban fitness culture—from the bustling gyms of New York City to the serene parks of Buenos Aires—underscores the convenience of whey protein isolate. Whether consumed in pre-packed shakes or mixed into water, individuals can enjoy a quick and nutritious protein source without the need for elaborate meal preparations. This ease of use is invaluable for athletes and busy professionals alike, allowing them to achieve their nutritional goals without sacrificing time or quality.

Enhance Digestive Health with Whey Protein Isolate

When considering overall health, digestive well-being is fundamental, and the benefits of whey protein isolate extend to promoting a healthy gut. With its digestibility, low lactose content, and positive effects on the gut microbiome, whey protein isolate emerges as a valuable ally in fostering digestive health.

Minimal Digestive Issues for Individuals with Lactose Sensitivities

Many individuals avoid protein sources that may lead to digestive discomfort, particularly those sensitive to lactose. Fortunately, the low lactose content of whey protein isolate significantly reduces the likelihood of digestive issues, allowing a broader audience to enjoy its benefits.

Research indicates that individuals consuming whey protein isolate report fewer digestive complaints than those using protein concentrates. For fitness enthusiasts in varied regions—from coastal towns in Greece to the highlands of Scotland—this aspect facilitates better protein supplementation without the discomfort often associated with higher lactose products.

Encourage Gut Health and Microbiome Balance with Whey Protein Isolate

The positive impact of whey protein isolate on gut health is particularly noteworthy. This protein can help balance the gut microbiome, promoting the growth of beneficial bacteria. This effect is vital for maintaining optimal digestive function and overall health, especially in today’s world, where gut health is closely tied to immune function and metabolic pathways.

Studies have shown that whey protein supplementation can enhance levels of beneficial gut bacteria, promoting digestive efficiency. A study published in “Microbial Ecology in Health and Disease” found that individuals consuming whey protein exhibited improved gut flora diversity. This finding emphasises the potential of whey protein isolate as a means to enhance both gut and overall health, making it a global asset for health-conscious consumers.

High Nutrient Bioavailability for Optimal Absorption

The bioavailability of nutrients is a critical consideration, and the benefits of whey protein isolate excel in this area. Whey protein isolate boasts high bioavailability, ensuring that essential nutrients are absorbed effectively by the body. This characteristic is crucial for individuals aiming for optimal health outcomes from their diets, whether in fitness circles in Toronto or wellness retreats in Bali.

Research indicates that whey protein has one of the highest bioavailability scores among protein sources. This means that when individuals consume whey protein isolate, a greater proportion of the nutrients is utilised by the body, maximising the benefits of supplementation. This aspect is particularly appealing for those looking to enhance their nutritional intake without excessive caloric consumption, reinforcing the global relevance of whey protein isolate in health and wellness discussions.

Discover the Holistic Health Benefits of Whey Protein Isolate

The advantages of whey protein isolate extend far beyond muscle building and recovery, encompassing a wide range of overall health benefits. From cardiovascular health and bone strength to mental well-being, whey protein isolate emerges as a key player in supporting various facets of health across the globe.

Enhance Cardiovascular Health with Whey Protein Isolate

Maintaining a healthy heart is essential for longevity, and the connection between protein intake and cardiovascular health is well-documented. Whey protein isolate contributes to heart health by positively influencing risk factors such as blood pressure and cholesterol levels. This aspect is particularly relevant for individuals worldwide—from fitness advocates in Los Angeles to health-conscious individuals in Cape Town—who prioritise their cardiovascular well-being.

Research indicates that dietary protein, including whey, can improve cholesterol profiles and lower blood pressure. A study published in the “American Heart Journal” found that participants consuming whey protein experienced reductions in LDL cholesterol levels and improvements in overall cardiovascular health markers. This evidence highlights the importance of incorporating whey protein isolate into diets, reinforcing its role as a holistic health supplement.

Fortify Your Bones with Whey Protein Isolate for Optimal Bone Density

As individuals age, maintaining strong bones becomes crucial, and the benefits of whey protein isolate can significantly enhance bone health. Whey protein is rich in calcium and other essential nutrients that support bone strength and density, making it an essential addition to diets for individuals of all ages.

A study published in “Bone” highlighted that higher protein intake, particularly from sources like whey protein isolate, is associated with improved bone mineral density. This finding is especially pertinent for populations worldwide, where osteoporosis and bone-related issues pose significant health challenges. By incorporating whey protein isolate into their diets, individuals—whether in urban centres facing sedentary lifestyles or rural areas with limited access to calcium-rich foods—can effectively bolster their bone health.

Support Mental Well-being with Whey Protein Isolate for Enhanced Cognitive Function

The connection between nutrition and mental health is increasingly acknowledged, and the benefits of whey protein isolate extend to supporting cognitive function and mood. The essential amino acids found in whey protein, particularly tryptophan, play a crucial role in serotonin production, which is a neurotransmitter responsible for regulating mood and fostering feelings of happiness.

Research indicates that dietary protein, including whey, can positively influence mental well-being. A study published in the “British Journal of Nutrition” found that individuals with higher protein intake reported improved mood and cognitive function. This insight is particularly valuable for individuals navigating the stresses of modern life, whether in bustling urban environments or quieter rural settings, emphasising the significance of dietary choices in supporting mental wellness.

Final Reflections on the Advantages of Whey Protein Isolate

The global narrative surrounding the advantages of whey protein isolate encompasses multifaceted health support—ranging from muscle recovery and weight management to immune resilience and mental well-being. As individuals across continents seek to enhance their health and performance, incorporating whey protein isolate into their diets emerges as a powerful and versatile choice.

In a world increasingly focused on health and fitness, the nutritional superiority of whey protein isolate positions it as an essential ally on the journey toward overall wellness.

Common Questions About Whey Protein Isolate

What is whey protein isolate?

Whey protein isolate is a high-quality protein derived from milk during cheese production, consisting of approximately 90% protein with minimal fat and lactose, making it an optimal choice for health-conscious individuals.

How does whey protein isolate facilitate muscle recovery?

Whey protein isolate is rapidly absorbed by the body, supplying essential amino acids necessary for muscle repair and growth, thereby aiding in post-exercise recovery and enhancing athletic performance.

Can whey protein isolate assist with weight management?

Absolutely, whey protein isolate promotes feelings of satiety, supports fat loss, and helps preserve lean muscle mass, making it an effective tool for achieving weight management objectives.

Is whey protein isolate suitable for those with lactose intolerance?

Yes, due to its low lactose content, whey protein isolate is often well-tolerated by individuals with lactose intolerance, offering them a high-quality protein source without digestive discomfort.

What immune system advantages does whey protein isolate provide?

Whey protein isolate contains immunoglobulins and glutamine, both of which enhance immune function and may assist the body in resisting infections, thus promoting overall health and wellness.

How can I incorporate whey protein isolate into my daily diet?

Whey protein isolate can be added to smoothies, oatmeal, baked goods, or consumed as a shake, making it easy to integrate into various meals for a protein boost.

Is whey protein isolate appropriate for vegetarians?

While whey protein isolate is derived from milk, it is not suitable for strict vegans but can be included in vegetarian diets as a high-quality protein source.

What differentiates whey protein isolate from whey protein concentrate?

Whey protein isolate contains a higher protein content (90%+) and lower fat and lactose levels compared to whey protein concentrate, which typically contains 70-80% protein, making it a purer option for those seeking optimal nutrition.

Can whey protein isolate enhance mental well-being?

Yes, the amino acids in whey protein, such as tryptophan, can support serotonin production, potentially improving mood and cognitive function, thereby contributing to overall mental health.

How does whey protein isolate benefit bone health?

Whey protein isolate is rich in calcium and essential nutrients required for bone strength, aiding in overall bone health and density, which is crucial as individuals age.

Connect with us on Facebook!

The Article Benefits of Whey Protein Isolate: A Comprehensive Guide appeared first on https://athleticsupplement.com