1 doctor weighed in:

What are signs that i need to take both multi vitamin and a folic acid pill?

1 doctor weighed in
Dr. Milton Alvis, jr
Preventive Medicine

In brief: Few, if any...

Historically vitamins were largely discovered by deficiencies (3rd world countries); in 1st world countries this is rare.
Vitamins are extremely prevalent in most foods (i.e. Cheap to isolate & sell), needed in only trace amounts (tiny quantities adequate), thus have become a big industry in 1st world countries, despite no/limited evidence of efficacy for many issues search via google & add "nih".

In brief: Few, if any...

Historically vitamins were largely discovered by deficiencies (3rd world countries); in 1st world countries this is rare.
Vitamins are extremely prevalent in most foods (i.e. Cheap to isolate & sell), needed in only trace amounts (tiny quantities adequate), thus have become a big industry in 1st world countries, despite no/limited evidence of efficacy for many issues search via google & add "nih".
Dr. Milton Alvis, jr
Dr. Milton Alvis, jr
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