Vitamin D3 helps control calcium and phosphate  absorb from food. Calcium is essential for bone health. Phosphate is needed for healthy bones, teeth, muscles, nerves, and basic bodily functions. Vitamin D3 offers many health benefits. It:

• Strengthens bones and muscles
• Boosts immunity
• Improves mood
• Reduces inflammation
• Improves heart function

Vitamin D3 is important for bone and muscle strength. It increases bone density and muscle mass. Low vitamin D3 puts in risk for osteoporosis and other problems tied to weak bones.

Vitamin D3 helps immune system  to fight viruses and bacterial infections. Research suggests it helps you stave off:

• Acute respiratory infections
• Pneumonia3
• Possibly, COVID-194

COVID-19 Risk

Low vitamin D3 may put at higher risk of catching COVID-19 and having severe symptoms.4 More research is needed to say for sure.

• Low vitamin D causes depression
• Or depression behaviors (e.g., poor eating habits, less time outside) cause low vitamin D3

Low vitamin D3 may lead to inflammatory diseases such as allergies and asthma. It may also increase your odds of heart disease and stroke.

• Allergies
• Asthma
• Eczema
• Atopy (a genetic tendency to develop allergies)