Table 6.1.

Summary of the recommendations for the non-consumption of vitamin supplements to prevent cardiovascular diseases

Recommendations	Description	Recommendation grade	Level of evidence	References
Vitamin A or beta-carotene	There is no evidence of the benefit of vitamin A or beta-carotene supplementation for primary or secondary prevention of CVD	III	A	204,205
Vitamin B and folic acid supplements	They are not effective in preventing primary or secondary CVD	III	A	164,208
Vitamin D	Vitamin D supplementation is not recommended to prevent CVD in people with normal blood levels for this vitamin. Similarly, there is no evidence that its supplementation in individuals with deficiency will prevent CVD	III	A	215,216,217
Vitamin E	Vitamin E supplementation is not recommended to prevent CVD	III	A	205,208
Vitamin K	In the same way, there is no evidence that vitamin K supplementation, in its different forms, can prevent CVD	IIa	C	219,220

CVD: cardiovascular disease.