Zinc Caps
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Other Ingredients
Microcrystalline Cellulose, Vegetable Cellulose, Vegetable Stearate, Silica
Recommended Use
Read the entire label and follow the directions carefully prior to use. Directions: Take one (1) capsule daily, or as recommended by a healthcare practitioner.
Warnings
Caution: Supplemental zinc can inhibit the absorption and availability of copper. If more than 50 mg of supplemental zinc is to be taken daily for more than four weeks, 2 mg of supplemental copper should also be taken to prevent copper deficiency. Warnings: Keep out of reach of children. Do not exceed recommended dose. Do not purchase if outer seal is broken or damaged. When using nutritional supp
Frequently Asked Questions
What is Life Extension Zinc Caps's Formulate score?
Life Extension Zinc Caps scores 79 out of 100 (grade B+) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Life Extension Zinc Caps worth it?
Life Extension Zinc Caps scores 79/100 (grade B+). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Life Extension Zinc Caps?
Each serving contains Zinc (50 mg). Serving size: 1 Vegetarian Capsule(s). 90 servings per container.
How do I take zinc caps?
Read the entire label and follow the directions carefully prior to use. Directions: Take one (1) capsule daily, or as recommended by a healthcare practitioner.
Who makes Zinc Caps?
Zinc Caps is made by Life Extension. See Formulate's full grade and product lineup for Life Extension on its brand page.
Is Life Extension Zinc Caps third-party tested?
Life Extension lists the following certifications and testing for this product: Gluten free Non GMO LE Certified, Gluten-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.