14/06/2026
☀️ **VITAMIN D: IS 600 IU REALLY ENOUGH?**
For years, **600 IU per day** has been the widely cited recommended intake of vitamin D for most adults.
However, a reanalysis of earlier data argued that this amount may not be sufficient for nearly everyone to reach a particular vitamin D blood level. That analysis produced a much higher estimate—around **8,895 IU daily**.
But this does **not** mean everyone should start taking 8,895 IU.
Current health guidance still recommends about **600 IU for most adults under 70** and **800 IU for adults over 70**. The Endocrine Society also states that healthy adults under 75 are unlikely to benefit from routinely taking more than the recommended daily allowance.
Vitamin D supports:
✅ Bone and muscle health
✅ Normal immune function
✅ Calcium absorption
✅ Overall wellbeing
⚠️ **Important:** High-dose vitamin D can cause harmful calcium buildup, kidney stones, kidney damage, and other complications. Do not self-prescribe large doses. A healthcare professional can recommend an appropriate amount based on your health, diet, sun exposure, medications, and test results.
**Educational content only—not personal medical advice.**