MegaFood Zinc

Our assessment

The evidence shows that MegaFood Zinc is a product containing the mineral zinc. However, based on the data provided, this specific product label only lists zinc as an ingredient. The detailed clinical data and safety information available is for calcium, not zinc. Therefore, for zinc-specific health benefits and risks, data is not available from the provided sources.

How it works

Regarding calcium, which is the only ingredient with provided data, it functions as a master regulator for your bones and nerves. It supports bone density and mineral deposition, and it helps with neuromuscular relaxation and nerve signaling [NIH ODS]. Because the data provided does not include a mechanism of action for zinc, we cannot describe how MegaFood Zinc works at this time.

Safety profile

The FDA has received a total of 592,059 adverse event reports across all supplements in their database [FDA data]. For the ingredient calcium, some research suggests that high intakes might increase the risk of heart disease and prostate cancer. High levels of calcium in the blood and urine can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Calcium can also reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. Specific side effects and report counts for zinc are not available in the provided data.

Our recommendation

Because the data provided only contains detailed information on calcium and not on zinc, we cannot offer a specific recommendation for MegaFood Zinc based on this evidence. You should consult a healthcare provider to determine if zinc supplementation is appropriate for you and to discuss proper dosing. For calcium, the data shows you should be cautious with high intakes and be aware of potential medication interactions [NIH ODS].

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