Supports immune function and bone health, especially helpful for those with limited sun exposure.
Effective Dose
1000-5000 IU daily
Onset
2-4 weeks
Cost
Budget
Cycle
Generally safe for long-term daily use at recommended doses.
7 things you need to know
What it does
Supports immune function and bone health, especially helpful for those with limited sun exposure.
Worth it?
8/10. Vitamin D3 is highly effective for supporting immune function and bone health, especially for individuals with limited sun exposure or dietary intake. Given widespread deficiency, supplementation is often beneficial.
How much to take
1000-5000 IU daily
Price
Cheap (under $15/month)
How fast it works
Takes 2 to 4 weeks to notice
Safety
Check if: hypercalcemia, kidney issues
What people say
Users may experience improved mood, increased energy levels, and a general sense of well-being with consistent supplementation, especially if deficient.
Vitamin D3 was first isolated in 1936 and is primarily derived from lanolin (sheep's wool) or synthesized from lichen.
"Users may experience improved mood, increased energy levels, and a general sense of well-being with consistent supplementation, especially if deficient."
Research backing for this ingredient
Some evidence, more research needed
Limited
Yes
Strong agreement among researchers
"Extensive research supports Vitamin D3's role in immune function, bone health, and overall well-being. Deficiency is common, making supplementation broadly beneficial."
Vitamin D3 is essential for many bodily functions, particularly immune and bone health. Many people are deficient, especially during winter months or with limited sun exposure. Supplementation helps maintain adequate levels.
Products below minimum dose are likely ineffective
When
Any time
How
1000-5000 IU daily
Food
Take with a meal containing fat to enhance absorption.
Noticeable effects on mood and energy may take several weeks of consistent supplementation to appear, while benefits to bone health accrue over longer periods.
Generally safe for long-term daily use at recommended doses.
Check for specific interactions.
Vitamin D3 (Immune) is categorized as a vitamin.
Scientific consensus score: 9/10.
Evidence quality: STRONG.
Add Vitamin D3 (Immune) to your stack analyzer or compare it with other ingredients.
Not medical advice. Always consult a healthcare provider.