PurePremium Supplements Zinc 50 mg

Our assessment

The evidence shows that this product delivers 50 mg of zinc per serving, which is well above the recommended daily allowance. For most adults, the RDA for zinc is 11 mg for men and 8 mg for women, so this dose is considered a high-potency supplement [NIH ODS]. You should only use this product under specific circumstances, such as a diagnosed deficiency or under medical supervision, because long-term intake above 40 mg daily can lead to copper deficiency and other issues [NIH ODS].

How it works

Think of zinc as a critical helper for your immune system and cell growth. It supports the function of over 300 enzymes in your body, helping with wound healing, DNA synthesis, and normal growth during pregnancy and childhood [NIH ODS]. While this product contains zinc, the data provided does not include specific studies on this exact brand or formulation for these effects.

Safety profile

Data not available on specific side effects for this product from the FDA adverse event database. However, based on general zinc safety data from NIH ODS, taking 50 mg daily can cause nausea, vomiting, loss of appetite, stomach cramps, diarrhea, and headaches. Long-term use at this dose may also lower your body's copper levels, leading to nerve damage and anemia [NIH ODS]. The FDA received a total of 592,059 adverse event reports across all supplements, but specific report counts for zinc-only products are not provided in the data [FDA data].

Our recommendation

Start with a lower dose, ideally 15–30 mg daily, unless your doctor has specifically advised 50 mg for a short-term deficiency. Do not take this product with other zinc-containing supplements or multivitamins, as the total could exceed safe limits. Take it with food to reduce stomach upset, but avoid taking it at the same time as calcium or iron supplements, as they can interfere with absorption [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