The collagen architect.
No. Evidence shows it doesn't prevent colds for most people. But a huge Cochrane review confirmed it can shorten them by about a day.
Mostly no. Your body's absorption rate plummets after 200-500mg in one go. You'll just excrete the rest. Stick to a smaller, consistent dose.
Plain old ascorbic acid is cheap and effective. The fancy 'esterified' or 'liposomal' versions are mostly marketing hype with little benefit for 99% of people.
Click through to the studies bar for the evidence base.
See the dosing guide below.
Compare formats before buying.
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.
You could, but you'd need to eat about 8 oranges a day to get a 500mg therapeutic dose. A supplement is just easier.
Yes. For direct skin benefits like brightening and UV protection, a serum applied to your face is far more effective than taking it orally.
Anytime. With food can help if you have a sensitive stomach. Consistency is more important than the specific time of day.
Most research uses 0.5g daily. Below 0.2g, you're probably wasting money. Above 1.0g, no extra benefit. The curve plateaus. Safe upper limit ~ 2.0g.
Essential for life (prevents scurvy).
Citrus fruits, bell peppers, kiwi, broccoli, and strawberries are all excellent sources.
Vitamin C 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.