NOW Sports Branched-Chain Amino Acids
Brand: NOW Sports · Form: CAPSULE [E0159] On Market
Our assessment
The evidence shows that NOW Sports Branched-Chain Amino Acids is a product focused on muscle support. However, the key ingredient data we have is for Calcium, not BCAAs. Our assessment is that while calcium is essential for bone health and nerve function, this specific product's primary actions are not detailed in the provided data. For the ingredient calcium, the data confirms it supports bone density and neuromuscular relaxation [NIH ODS].
How it works
Think of calcium as a structural and signaling mineral. It helps your body build and maintain strong bones through bone mineralization, and it plays a key role in muscle relaxation and nerve signaling [NIH ODS]. For the specific branched-chain amino acids in this product, detailed mechanism data is not available in the provided information.
Safety profile
The FDA has received a total of 592,059 adverse event reports across all supplements. For calcium specifically, the data shows that very high intakes can increase the risk of heart disease and prostate cancer [NIH ODS]. High blood and urine levels of calcium can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Calcium can also reduce the absorption of medications such as bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. Specific side effect report counts for this NOW Sports product are not available in the provided data.
Our recommendation
Based on the data provided, we cannot make a specific recommendation for NOW Sports Branched-Chain Amino Acids because the key ingredient data provided is for calcium, not BCAAs. For general calcium intake, stick to the established guidelines to avoid the risks of high calcium levels [NIH ODS]. If you are taking any medications that interact with calcium, such as thyroid medication or certain antibiotics, consult your doctor before adding a calcium supplement [NIH ODS]. For the specific benefits of branched-chain amino acids, we recommend seeking products with dedicated clinical data.
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | NOW Sports |
|---|---|
| Serving Size | |
| Contents | 240.0 Veg Capsule(s) |
| Market Status | On Market |
How to Read This Label
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