PlainPill

Calcium vs Vitamin C for anxiety

Short answer: For anxiety, more users report improvement with Vitamin C — 94% of 17 reports, versus 83% of 6 for Calcium.

Calcium has 3,919 meta-analyses and 10,361 randomized trials on PubMed; Vitamin C has 738 and 2,072.

Based on 182 reports about Calcium and 928 about Vitamin C. Not medical advice.

Calcium
Supplement
Vitamin C
Supplement
Users say it helped35%helped47 reports · medium confidence64%helped204 reports · high confidence
Verdict
Mixed
Mostly positive
ResearchAResearch: StrongAResearch: Strong
Meta-analyses / RCTs3,919 / 10,361738 / 2,072
Mainly used for
Immunity
% reporting improvement
—90% (40)
Energy
% reporting improvement
67% (3)94% (34)
Skin & hair
% reporting improvement
—97% (29)
Mood
% reporting improvement
75% (4)88% (25)
Anxiety
% reporting improvement
83% (6)94% (17)
Common side effectssoft tissue, constipation, chest pain, brain fogkidney stones, stomach issues, insomnia, bone pain
Typical dose reported200 mg / daily2000 mg / daily
Calcium
Latest review conclusion

In this meta-analysis of randomized clinical trials, the use of supplements that included calcium, vitamin D, or both compared with placebo or no treatment was not associated with a lower risk of fractures among community-dwelling older adults. These findings do not support the routine use of these supplements in community-dwelling older people.

JAMA, 2017 ↗
What a user said
“Within a week after taking it consistently, I always feel noticeably calmer, get better sleep, better muscle recovery and have smoother more elastic skin.”
Full Calcium profile →
Vitamin C
Latest review conclusion

The failure of vitamin C supplementation to reduce the incidence of colds in the general population indicates that routine vitamin C supplementation is not justified, yet vitamin C may be useful for people exposed to brief periods of severe physical exercise. Regular supplementation trials have shown that vitamin C reduces the duration of colds, but this was not replicated in the few therapeutic trials that have been carried out. Nevertheless, given the consistent effect of vitamin C on the duration and severity of colds in the regular supplementation studies, and the low cost and safety, it m

Cochrane Database Syst Rev, 2013 ↗
What a user said
“I know people say you get enough vitamin C from diet but I feel and look better when I supplement it.”
Full Vitamin C profile →

Related comparisons

Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate