Wonder Laboratories Zinc 50 mg
Brand: Wonder Laboratories · Form: TABLET [E0155] On Market
Our assessment
The evidence shows that zinc is an essential mineral for immune function, but a 50 mg dose is significantly higher than the established tolerable upper intake level of 40 mg per day for adults [NIH ODS]. Our assessment is that this product delivers a dose that exceeds safe limits for routine daily use without medical supervision. You should be cautious with this high-potency formulation, as chronic intake at this level can lead to copper deficiency and other adverse effects [NIH ODS].
How it works
Think of zinc as a gatekeeper for your immune system — it is required for the development and activation of T-lymphocytes, a key type of white blood cell that fights infection [NIH ODS]. Zinc also acts as an antioxidant and helps with wound healing and DNA synthesis. While zinc supports these critical functions, the recommended dietary allowance (RDA) for adult men is 11 mg and for adult women is 8 mg daily, making a 50 mg dose a substantial departure from standard nutritional needs [NIH ODS].
Safety profile
Data not available for adverse event reports specific to this brand or dosage from the provided data. The established tolerable upper intake level (UL) for zinc is 40 mg per day for adults, and this product provides 50 mg, which exceeds that threshold [NIH ODS]. Known side effects from excessive zinc intake include nausea, vomiting, loss of appetite, abdominal cramps, diarrhea, and headaches [NIH ODS]. Long-term high-dose zinc intake can also cause copper deficiency and reduced immune function [NIH ODS].
Our recommendation
We do not recommend taking this 50 mg supplement daily without explicit guidance from your healthcare provider. Most adults should not exceed 40 mg of total zinc per day from all sources [NIH ODS]. If you suspect you have a zinc deficiency, ask your doctor for a blood test first. For general immune support, a dose closer to the RDA of 8–11 mg daily is more appropriate and safer [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Wonder Laboratories |
|---|---|
| Serving Size | |
| Contents | 500.0 Veg Tablet(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