Vitamin D
It supports bone health, used for prevention and treatment of several common cancers, type 1 diabetes (improve insulin sensitivity), multiple sclerosis, lower blood pressure, improve psoriasis, Crohn’s Disease, and cardiovascular disease.

Best form of vitamin D is D3 and then D2. Both of these are made active after passing through the liver and kidney.

Food source for vitamin D
Fish liver oils and salty fish like sea bass, halibut, sword fish, herring, tuna, cod and sable. Fortified milk and dairy products are also a good source.

Sign of toxicity of vitamin D
Nausea, loss of appetite, headache, diarrhea, fatigue and restlessness.