Pure vitamin C in its most bioavailable form. Supports immune function, collagen production, and antioxidant defense.
Yes. Starting at the first sign of a cold, 1000-2000 mg daily can shorten it by about a day. It won't prevent colds, but it helps you recover faster.
For most people, no. Standard L-ascorbic acid is well-absorbed. Liposomal vitamin C is worth it only if high doses upset your stomach.
If you eat 5+ servings of fruits and vegetables daily, probably. But many people don't. A 200-500 mg supplement is cheap insurance.
Click through to the studies bar for the evidence base.
See the dosing guide below.
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Some ingredients build up over weeks. Others act fast.
The compound effect of consistent dosing.
Check the cautions section if you have a pre-existing condition.
Some ingredients you feel. Others just work in the background.
Regular supplementation reduces cold duration by 8% in adults and 14% in children. It doesn't prevent them, but it shortens them.
You're taking too much at once. Absorption drops above 200 mg per dose. Split it up, or lower the dose until your gut is happy.
Chemically identical. Your body can't tell the difference. Natural sources come with bioflavonoids that may slightly enhance absorption, but the vitamin C itself is the same molecule.
Most research uses 0.5g daily. Below 0.1g, you're probably wasting money. Above 2.0g, no extra benefit. The curve plateaus. Safe upper limit ~ 2.0g.
Acts as an electron donor for enzymatic reactions including collagen hydroxylation, carnitine synthesis, and neurotransmitter production. Regenerates vitamin E. Enhances immune cell function (neutrophils, lymphocytes). Reduces oxidative damage as a water-soluble antioxidant.
L-Ascorbic Acid has emerging evidence.
Citrus fruits · Bell peppers · Kiwi · Strawberries · Broccoli · Acerola cherry
L-Ascorbic Acid interacts with other supplements and meds. The analyzer flags interactions, dose mismatches, and timing collisions across your whole list.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.