Zinc can shorten the duration of a cold, but ConsumerLab.com found that few products provide a dosage that's been proven effective. Zinc can also slow the progression of advanced macular degeneration of the eye, but please choose products carefully -- ConsumerLab.com identifed two nearly identical products with proven eye formulas, but one cost significantly more than the other.
Zinc supplements may be useful in treating other conditions including acne, depression, and anorexia nervosa, as well as in preventing and correcting zinc deficiency. ConsumerLab.com identified a range of zinc products that meet quality standards — some costing as little as 3 cents per day!
In this comprehensive report about zinc supplements and zinc lozenges, you'll get test results and quality ratings for 23 zinc products (including 13 that passed our Voluntary Certification Program) and information about one other zinc supplement similar to one that passed testing. You'll learn:
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- Which zinc supplements passed testing, and which offer the best value
- Which zinc lozenges provide a dosage known to work -- and which do not
- What zinc can and cannot do for your health
- If certain forms of zinc are better absorbed than others
- The zinc dosage to treat conditions including colds, macular degeneration, and zinc deficiency
- The potential side-effects of zinc and other concerns with zinc, including drug interactions