People want Vitamin C serum to brighten and even out skin tone and promote collagen production for a firmer and youthful appearance. It also protects the skin from environmental stressors like ...

Quercetin has most often been used by adults in doses of 250-1000 mg by mouth daily for up to 12 weeks. Speak with a healthcare provider to find out what dose might be best for a specific condition.

Melissa Nieves, LND, RD, is a registered dietitian with Practical Nutrition, LLC. She also works as a bilingual telehealth dietitian for Vida Health Program. Rich Scherr is an updates strategist ...

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