Vitamin C (ascorbic acid)

Powder-format vitamin C is a common Isotonix shopping job. Compare NIH consumer facts here, then open the exclusive cluster and buy for your region with the buttons below.

Also known as: ascorbic acid · L-ascorbic acid · 維他命C · 抗壞血酸

Research & certification references

Sources discuss vitamin C / ascorbic acid as a nutrient class—they do not prove this product treats any disease.

Reference locale (EN): U.S. NIH, FDA, and PubMed. Traditional Chinese pages use Taiwan MOHW/TFDA/HPA; Japanese pages use MHLW/NIHN. Do not mix locales on one page.

Independent research

NIH ODS — Vitamin C fact sheet · NIH ODS
PubMed — ascorbic acid supplementation · NIH / NLM

Quality & certification context

FDA — using dietary supplements safely · U.S. FDA
USP — dietary supplement quality standards · U.S. Pharmacopeia

Exclusive picks with vitamin C powder

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Buy — Isotonix Vitamin C

Supplement note: These statements have not been evaluated by the Food and Drug Administration. Not intended to diagnose, treat, cure, or prevent any disease. Not medical advice.