NOW Zinc Picolinate 50 mg

Our assessment

The evidence shows that this product contains 50 mg of zinc picolinate. Based on the data provided, the primary ingredient is zinc, but the NIH ODS data for zinc is not available. For the ingredient calcium, the data shows it supports bone mineralization and neuromuscular relaxation [NIH ODS]. You should be aware that the total adverse event reports for this product category are 592,059 [FDA data].

How it works

Think of calcium as a structural and signaling mineral. It supports bone density and mineral deposition, and it also helps with muscle relaxation and nerve signaling [NIH ODS]. Data not available for how zinc picolinate specifically works in this product.

Safety profile

For the calcium ingredient, some research suggests that high intakes might increase the risk of heart disease and prostate cancer. High levels 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]. The total adverse event reports for this product category are 592,059 [FDA data]. Safety data for zinc picolinate is not available.

Our recommendation

Data not available for the specific dose or recommendation for zinc picolinate 50 mg. Based on the calcium data, you should monitor your intake from all sources and consult your healthcare provider before taking this supplement, especially if you take medications such as antibiotics or thyroid medication [NIH ODS]. Always prioritize obtaining nutrients from a balanced diet first.

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