Vitamin C remains the top-selling single vitamin in the U.S. It is an essential anti-oxidant that builds collagen, aids iron absorption and may protect the body and boost the immune system. But ConsumerLab.com found one supplement to provide only 43.5% of its vitamin C. And the suggested dosages of some products exceed tolerable intake levels.
In this Review, you'll get ConsumerLab's test results and comparisons for 27 vitamin C supplements and information about four more products similar to ones that passed. You need to subscribe to get the results and ConsumerLab.com's valuable recommendations. In this comprehensive report, you'll discover: - Which products passed our tests, which failed, and why.
- What vitamin C may, or may not, do for you Ñ and at what dose.
- Recommended daily intake levels of vitamin C.
- The pros and cons of different forms and sources of vitamin C.
- Potential side-effects and cautions.
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