Vitamin D has a recommended daily allowance (RDA) of 600IU and a safe upper limit (UL) of 4000IU per day. Exceeding the upper limit may cause adverse health effects. Use NutriAudit to check if your supplement stack keeps Vitamin D within safe limits.
| Region | Organization | RDA | Upper Limit (UL) | Unit |
|---|---|---|---|---|
| πΊπΈ United States | FDA | 600 | 4000 | IU |
| πͺπΊ Europe | EFSA | 600 | 4000 | IU |
| π¦πΊ Australia | TGA | 600 | 4000 | IU |
| π¨π³ China | CNS | 400 | 800 | IU |
| π―π΅ Japan | MHLW | 600 | 4000 | IU |
RDA = Recommended Daily Allowance (adequate intake for most adults). UL = Tolerable Upper Intake Level (maximum safe daily amount).
Vitamin D increases calcium absorption; Vitamin K helps direct calcium to bones.
Consider taking both together for bone health.
The safe upper limit (UL) for Vitamin D is 4000IU per day according to FDA. Exceeding this amount regularly may increase the risk of adverse effects.
The RDA for Vitamin D is 600IU per day for most adults. This amount is sufficient to meet the needs of 97-98% of healthy individuals.
Yes, Vitamin D has 1 known interaction with other supplements. Vitamin D increases calcium absorption; Vitamin K helps direct calcium to bones.
Check if your supplement stack keeps Vitamin D within safe limits.
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