Best Vitamins For Immune System - Vitamin K2 + D3 | Renown Health Products

Description Why You Need More D: Vitamin D is essential for helping calcium in your GI tract—from the food you eat—get into your bloodstream. Your bone health depends on it. Vitamin D also supports brain and nerve health by regulating the hormones serotonin and dopamine. Vitamin D improves your immune function because many of your immune cells have vitamin D receptors to help regulate the chemical processes   Why You Probably Don’t Have Enough:[i] Number one reason worldwide—a lack of adequate sunlight. Weak light, sun from overcast or winter skies is not strong enough. If most of your skin is covered, you are not getting enough. A sunscreen with SPF 30 is enough to block 95% of the vitamin D your skin might make. No fish. People who skip the fatty fish—like salmon, cod, tuna and anchovies—rarely get enough from their diets. Your other eating habits—if you are shunning red meat, liver, and egg yolks in addition to fatty fish, you are skipping the best sources of vitamin