← Back to all waters
Vitamin D5
Vitamin D5 (sitocalciferol) is a synthetic analog of vitamin D with potential use in supplementation; less studied than vitamins D2 and D3.
Mineral or nutrientUpdated May 15, 2026
Health score+1.0
-5Good5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
Limited safety and efficacy data, potential for unknown toxicity at high doses
Benefits
Possible vitamin D receptor activation, but benefits less established compared to D3
Waters containing Vitamin D5
1 matches