Calcium vs Vitamin C
Evidence-based comparison of Calcium and Vitamin C — absorption, dosage, safety, and which is best for your needs.
Calcium
Bone mineralization: Supports bone density and mineral deposition; Neuromuscular relaxation: Supports muscle relaxation
Full GuideVitamin C
Neuroprotection: Protects neurons from oxidative and excitotoxic damage; HPA axis modulation: Modulates hypothalamic–p
Full GuideDetailed Comparison
| Calcium | Vitamin C | |
|---|---|---|
| Category | Mineral | Vitamin |
| Mechanism | Bone mineralization: Supports bone density and mineral deposition; Neuromuscular relaxation: Supports muscle relaxation | Neuroprotection: Protects neurons from oxidative and excitotoxic damage; HPA axis modulation: Modulates hypothalamic–p |
| Safety | Some research suggests that high calcium intakes might increase the risk of heart disease and prostate cancer. High levels of calcium in the blood and | Taking too much vitamin C can cause diarrhea , nausea , and stomach cramps. In people with a condition called hemochromatosis , which causes the body |
Which Should You Choose?
Calcium may be better if: Calcium is essential for bone health and many bodily functions. Most people can get adequate calcium from diet, but supplements may be needed for those who avoid dairy.
Vitamin C may be better if: Vitamin C is an essential antioxidant that supports immune function and collagen synthesis. Most people can get adequate vitamin C from fruits and vegetables.