02/25/2026
Vitamin D is an essential nutrient that supports bone and muscle structure, immune function, cardiovascular health, hormone balancing, healthy skin, a good mood, and more.*
The FDA recommends 800 IU daily as a baseline.2 For bone health alone, Mayo Clinic recommends daily vitamin D supplementation of 600 IU for everyone between the ages of 1 and 70, and 800 IU for those older than 70.4
While these are conservative recommendations, it is likely that if you are already low in vitamin D, then these amounts won’t be sufficient to bring your blood level up to what is considered sufficient – 32 ng/mL by conventional standards and 40 ng/mL or higher for optimal Essentia Health Fargo Marathon
If you are looking for the right Vitamin D supplement let Dr. Jeremy or Dr. Jenny know and we would be happy to point you in the right direction.
Wondering when to take vitamin D? Learn the best time to take it, and how sunlight, routine, and consistency affect vitamin D levels.