Prime Nutrition Performance Series EAAs Essential Amino Acids Watermelon

Our assessment

The evidence shows that this product contains Calcium, a mineral essential for bone health. However, the data we have is limited to this single ingredient, and we cannot evaluate the full formula or the specific benefits of the "Performance Series EAAs" blend. Our assessment is that while calcium is a well-studied nutrient, you should not expect the performance benefits typically associated with essential amino acids (EAAs) based solely on this data.

How it works

Calcium plays a critical role in your body. Think of it as a key structural component for your bones and teeth, supporting bone density and mineral deposition [NIH ODS]. It also acts as a neuromuscular relaxant, helping your muscles relax and your nerves signal properly after exercise [NIH ODS]. For a product labeled as containing EAAs, data on how those specific amino acids function is not available.

Safety profile

The FDA has received a total of 592,059 adverse event reports for products in this database, though this number is not specific to this one product. For calcium specifically, high intakes may increase the risk of heart disease and prostate cancer [NIH ODS]. Very high levels can cause poor muscle tone, poor kidney function, constipation, nausea, weight loss, extreme tiredness, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Calcium can also reduce the absorption of medications like bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].

Our recommendation

We recommend you do not rely on this product for amino acid supplementation based on the available data. If you are taking this for its calcium content, be mindful of your total daily intake from all sources (food and supplements) to avoid exceeding safe levels. Always take calcium supplements separately from the medications listed above by at least two hours. For a complete assessment of this specific EAA product, we would need ingredient amounts and clinical study data, which are not available here.

Supplement labels contain several key sections regulated by the FDA:

• Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
• Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
• % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
• Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
• Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.

Source: FDA Dietary Supplement Labeling Guide