immune regulationDNA repairhormonalantioxidant

Zinc

Zinc (various chelates)

Essential mineral and cofactor for 300+ enzymes. Critical for immune function, DNA synthesis, wound healing, and thymic function. Zinc picolinate and bisglycinate offer best absorption.

Typical longevity dose: 15-30 mg/day

Price Comparison

ProductVendorPricePer ServingTrust

Life Extension Zinc Caps 50mg

50mg · capsule · 90 servings

Life Extension$6.75$0.079Buy

NOW Zinc Picolinate 50mg

50mg · capsule · 120 servings

iHerb$8.99$0.078Buy

NOW Zinc Picolinate 50mg

50mg · capsule · 120 servings

NOW Foods$9.99$0.087Buy

Thorne Zinc Picolinate 30mg

30mg · capsule · 60 servings

Thorne$14.00$0.239Buy

Add to cart: /cart?items=zinc-le-50mg

Key Research

Zinc supplementation reduced oxidative stress and infection incidence in elderly.

Prasad AS, et al. (2007). Am J Clin Nutr

Interaction Warnings

Copper

Long-term zinc supplementation can deplete copper — consider adding 1-2 mg copper

Synergies

Vitamin C

Both support immune function synergistically

Disclaimer: This information is for educational purposes only and is not medical advice. Research citations are provided for reference — consult your healthcare provider before starting any supplement regimen. Prices are estimates and may not reflect current retail pricing.