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Vitamin C

SupplementCommon1 review
+5
Average score out of 5
Based on 1 experience(s)

Vitamin C (ascorbic acid) is an essential nutrient and antioxidant. It is used in Long COVID for its role in supporting the immune system and reducing oxidative stress.

Information
Subcategory
vitamin
Evidence level
3/5
Evidence type
preclinical and observational studies
Score distribution
+5
1 (100%)
+3
0 (0%)
+1
0 (0%)
0
0 (0%)
Negative
0 (0%)
Practical information
Time to effect
< 1 week
Reported side effects
Problems with digesting/hurting gut bc its so sore :/ (100%)
Latest reviews
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Anonymous review+5
18-25 y.o. · 5/31/2026

For me it did almost instantly lower my muscle and joint pain. I started off with mixing it purely in water and drinking. But due to gut problems I switched to capsules (Ester-C). They need more than just half an hour to work against the pain, but offer a more sustainable solution in the long run.

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