Good Neighbor Pharmacy Zinc 50 mg

Our assessment

The evidence shows that Good Neighbor Pharmacy Zinc 50 mg is a straightforward zinc supplement, but you need to be aware of a critical detail: the specific data provided for this product actually applies to calcium, not zinc. We must work with the data available. Data on zinc's specific mechanism, safety, and interactions are not available in the information provided. For calcium, data indicates it supports bone mineralization and neuromuscular relaxation [NIH ODS]. However, because the product label states it is Zinc 50 mg, we must treat the calcium data as a separate reference point, not a direct claim for this product.

How it works

Based on the data for calcium, which is the only ingredient with mechanistic data provided, it acts as a master regulator for bone density and mineral deposition, and it helps support muscle relaxation and nerve signaling [NIH ODS]. For the actual product ingredient—zinc—specific 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 the calcium data provided, high intakes might increase the risk of heart disease and prostate cancer. High levels of calcium in 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]. For the specific product, Good Neighbor Pharmacy Zinc 50 mg, no product-specific adverse event data was provided. Data on side effects for zinc is not available.

Our recommendation

Our assessment is that you should exercise caution. Because the provided data is for calcium, not for zinc, and the product is Zinc 50 mg, we cannot make a confident recommendation based on the information supplied. The data suggests calcium supplements can reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. For this specific zinc product, you should consult a healthcare provider before starting, as data on zinc-specific dosing, benefits, and side effects is not available in the provided information.

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