The Right Supplements: Smarter Choices for Better Results

Published:2 June 2025 Updated:3 June 2025

Sports nutrition is essential in achieving high performance in physical activity. It helps to improve performance in training, body recovery, muscle building, and overall health. However, you should understand that sports supplements are not a magic bullet; it is just a tool that works together with proper diet and consistent training.

In this piece, we are going to look at what sports nutrition is, the different types of supplements available, how they work, and how to use them properly. We’ll also provide recommendations on supplements from iHerb and Walmart based on their formulas, tested brands, and user feedback.

Why Is Sports Nutrition Important?

Sports nutrition and supplements are formulated to maintain energy balance, speed up recovery, and improve the athlete’s overall endurance and strength. It includes both natural sources of proteins and specialized nutritional supplements.

Sports Nutrition

Why is it important to take supplements? The fact is that during regular physical activity, the body requires an increased amount of certain substances. For example, during training, energy is actively consumed, muscle fibers are destroyed, and microelements are lost. Sports nutrition helps replenish these losses, speed up recovery, and prepare the body for the next training session.

How Supplements Support Workouts and Recovery

The right supplements can significantly increase the effectiveness of your workouts and speed up recovery after them:

  • Increase endurance and strength
  • Accelerate muscle growth
  • Reduce fatigue and the risk of overexertion
  • Support water-electrolyte balance
  • Stimulate metabolism and fat burning

There is a huge variety of different sports supplements on the market right now, for example, on iHerb or Walmart. We have analyzed the most popular ones and are ready to recommend a few.

Proteins: The Foundation of Muscle Building

Why do you need protein? They are one of the main macronutrients for an athlete. They are essential for the growth and recovery of muscle tissue after intense training. But protein also comes in different forms: whey, casein, and vegetable (for example, soy, pea, or rice).

Why can’t you consume all this with food, you may ask? Protein shakes are primarily for convenience. You can easily reach your daily protein intake, especially if your diet lacks meat, fish, or eggs.

Optimum Nutrition Gold Standard 100% Whey

Whey protein should be drunk immediately after a workout, as it is the most rapidly digested. Gold Standard 100% Whey is made by Optimum Nutrition, a renowned brand with an excellent reputation in the world of fitness and bodybuilding. It contains Whey Protein Isolate, Whey Concentrate, and Hydrolyzed Whey Proteins. In addition, it contains approximately 5 grams of naturally occurring branched-chain amino acids (BCAAs) and 11 grams of essential amino acids (EAAs) per serving. This is essential for muscle recovery and is our choice among whey proteins. According to customer reviews on iHerb and Walmart, this product has a rating of 4.7 out of 5 stars.

Optimum Nutrition Whey

California Gold Nutrition Micellar Casein

Casein protein, on the contrary, is digested slowly and should be drunk at bedtime. Micellar casein from California Gold Nutrition is the absolute leader in fitness and an excellent choice for those who prefer affordable supplements. Containing 30 grams of protein per two slightly rounded scoops, it provides 4.7 g of BCAAs. The user rating on iHerb is 4.5 stars out of 5. For all these reasons, we chose it among others.

California Gold Nutrition Casein

Plant-Based Protein with Organic Brown Rice Protein Concentrate by California Gold Nutrition

The plant-based option is mostly created for vegetarians. But people with lactose intolerance also prefer this option. California Gold Nutrition is our winner again. As an independent, lab-tested, and verified brand, iHerb’s own-brand offers premium-quality products at affordable prices. You can choose from several flavors. There are 20 grams of protein and 3.8 grams of BCAAs in each serving, which is quite impressive for a plant-based protein.

Plant-Based Protein

Amino Acids: The Building Blocks of Muscles

Amino acids are here for protein synthesis and muscle repair. Branched-chain amino acids (BCAAs), such as leucine, isoleucine, and valine, prevent muscle breakdown and reduce fatigue during exercise. They also help to preserve muscle mass and promote recovery.

Another type of amino acid, essential amino acids (EAAs), provides a complete spectrum of nutrients for muscle protein synthesis. EAAs help to support muscle growth and repair, as well as aid in the recovery process.

Another amino acid that plays an important role in muscle recovery is glutamine. It helps to boost immunity, promote gut health, and protect the gastrointestinal tract during intense exercise. Glutamine can be taken before, during, or after exercise, depending on individual needs.

Amino acids are beneficial for athletes and people who have intense exercise or are trying to lose weight. They help support muscle growth, repair, and recovery. They also promote overall health and well-being.

Optimum Nutrition BCAA 1000

Optimum Nutrition has been providing high-quality post-workout sports nutrition for recovery for many years. We recommend its product because it contains a 2:1:1 ratio of L-leucine, L-isoleucine, and L-valine, which is believed to be optimal if you’re looking for a balanced dose of all three branched-chain amino acids (BCAAs). Additionally, the supplement is manufactured in the United States and regularly tested for prohibited substances by a world-class sports anti-doping laboratory, LGC Limited. As for customer feedback on these supplements from iHerb, it has been mostly positive, with an average rating of 4.7 out of 5 stars.

Optimum Nutrition BCAA

NutraBio Intra Blast, Intra Workout Amino Fuel

Intra-Workout is renowned for its high-quality formulation. It is also effective in supporting performance, recovery, and muscle preservation during training. It contains a wide range of amino acids, especially the inclusion of all nine essential amino acids that your body cannot produce on its own and needs to be obtained through diet or supplementation. The supplement is rated 4.7 stars out of 5 on iHerb and is recommended by most customers who have used it.

NutraBio Intra Blast

NOW Foods L-Glutamine Capsules

Now Foods is a highly rated and popular product for fitness and professional sports. These capsules are a convenient and high-quality way to supplement with glutamine, regardless of your purpose, whether it be general health and immunity or muscle recovery as an athlete. The product contains 500 mg of L-glutamine per tablet and is suitable for vegetarians. You should take 1-3 tablets daily if your goal is general health or gut support, or 3-5 capsules if you’re an athlete doing intense training on a daily basis.

NOW Foods L-Glutamine

Creatine: A Source of Energy and Strength

Creatine is one of the most widely studied and safest supplements. It increases the amount of energy available to the muscles by increasing ATP levels. This allows you to perform more repetitions, lift heavier weights, and recover faster. The most popular form is creatine monohydrate, which is taken daily, regardless of the time of training.

Creatine Powder vs Chewables

We would like to recommend two effective creatine supplements for different preferences. Optimum Nutrition Micronized Creatine Powder offers a classic, unflavored creatine monohydrate powder that’s micronized for better mixability and absorption. It is affordable and proven to be effective, making it a top choice for serious athletes and gym-goers who prioritize simplicity and cost-efficiency.

ON Creatine Powder

Another one is Animal Creatine Chews (we got this supplement for testing from Walmart), which is a more convenient and enjoyable way to take creatine in the form of tasty, pre-dosed gummy-like chewable tablets. Each serving delivers 5 grams of creatine monohydrate, along with AstraGin, a compound that may enhance nutrient absorption. The chewable format is perfect for those who dislike mixing powders or want something portable and easy to consume on the go. Yes, they are more expensive per gram compared to powder. However, the Animal Chews stand out due to their convenience, flavor, and unique delivery method, making them ideal for users who value ease and taste over traditional creatine forms.

Pre-Workouts: A Boost of Energy and Concentration

Pre-workout supplements help you get into work mode, increasing energy, concentration, and resistance to fatigue. That’s why they typically contain: caffeine, a stimulant; arginine/citrulline, improving blood flow; beta-alanine, increasing endurance; and B vitamins involved in energy metabolism. 

We know how crucial it is to choose high-quality complexes without excessive stimulants, especially for those with caffeine sensitivity, so we have selected the following supplements from iHerb and Walmart for you.

Active Pre-Workout from Sunwarrior

It is a stimulant-free, plant-based pre-workout designed to enhance performance, endurance, and energy without the use of caffeine or other harsh stimulants. If you are looking for a pure, stimulant-free pre-workout that supports muscle pumps, endurance, and focus, then Sunwarrior Sport Active Pre-Workout may be the perfect choice for you. This product is especially suitable for those who follow a plant-based diet or avoid artificial ingredients. Sunwarrior’s pre-workout has a rating of 4.8 out of 5 stars on iHerb and is recommended by many users.

Sunwarrior Pre-Workout

Optimum Nutrition Gold Standard Pre-Workout

It is one of the most popular and widely used pre-workout supplements on the market. Known for its balanced energy blend, focus-enhancing ingredients, and reliable performance support, it’s a solid choice for both beginners and experienced athletes looking to boost their workout intensity. 

Its formula combines moderate stimulants, focus-enhancing compounds, and performance-supporting amino acids. Caffeine is around 150-175mg per scoop, and L-Theanine balances the caffeine for smooth, focused energy without jitters or crashes. Creatine Monohydrate and Beta Alanine are also included. 

The product also contains flavorings and some artificial sweeteners like sucralose, which may be a disadvantage for those looking for a more natural formulation. Because it contains moderate caffeine, it’s best suited for people who train earlier in the day or aren’t sensitive to stimulants. If you’re new to preworkouts or want something widely available and affordable, this product may be right for you.

Essential Vitamins & Minerals for Athletes

When you follow a healthy lifestyle and eat a healthy diet, you may think that taking additional artificial vitamins and minerals is not necessary, and it is enough to get them from food. However, it is worth remembering that when you exercise hard, your need for vitamins and minerals increases.  

When you are training, the following are particularly important:

  • Magnesium and calcium – for muscle and nervous system function
  • Vitamin D – for bones and immunity
  • Iron – for oxygen transportation in the blood
  • Zinc and selenium – for hormonal balance

A deficiency of these substances can lead to fatigue, weakness, and poor performance. Therefore, athletes and people with increased physical activity should take specialized multivitamin complexes daily.

Animal Pak by Ultimate Foundation was originally created for bodybuilders and athletes. This all-in-one supplement contains multiple complexes, including muscle recovery agents and digestive enzymes, all in one dosage.

The producer, NOW Foods, manufactures its products with gender-specific needs in mind. EVE Superior Women’s Multi contains iron and other essential nutrients for women’s health, while ADAM supports male prostate and cardiovascular health. 

NOW EVE Superior

While daily intake varies slightly between brands, most require one to two servings per day. The above-mentioned multivitamins stand out for their quality, targeted blends, and clean ingredient profiles. We recommend always consulting a healthcare provider to find the best fit for your individual needs.

How to Combine Supplements Safely

Not all supplements can be combined without risk. For example:

  • Caffeine + pre-workout complexes: High risk of stimulant overdose. Many pre-workout complexes already contain caffeine in one form or another (e.g., anhydrous caffeine, theobromine, guarana, etc.). If you additionally take caffeine separately (in the form of capsules, energy drinks, tea, or even just drinking strong coffee in the morning), it can lead to an overdose.
  • Creatine + large amounts of liquid: Water balance must be observed. Creatine binds more water within muscle cells, which can cause mild dehydration of other tissues if you do not drink enough water. Without proper water intake, there is an increased risk of cramps, spasms, headaches, and decreased effectiveness of the supplement itself.
  • BCAA + protein: Compatible and even enhance each other’s effects. BCAAs kick in faster than protein because they don’t require digestion. Protein, on the other hand, provides a long flow of amino acids needed for complete muscle protein synthesis. When taken together, they help to reduce muscle breakdown, speed recovery after exercise, increase energy production during exercise, and maintain amino acid levels in the blood.

Before starting to use several supplements, it is recommended to consult a specialist or at least carefully study the formula and instructions.

Final Thoughts

Sports nutrition is a powerful tool that helps you increase your training results and maintain your health. However, its effectiveness depends directly on your approach: knowledge, responsibility, and respect for your body. Supplements do not replace your showing up for training every day, but they can help you work out smarter and more productively. The main thing is to use them consciously, consulting with your doctor beforehand.

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