Vitamin C

Vitamin C is involved in neurotransmitter biosynthesis and immune defense in the nervous system, and helps neutralize free radicals that threaten brain cell health. For product comparison, Vitamin C should be checked by exact form, plant part or compound type, standardization, amount per serving, and whether it is listed as an active ingredient, other ingredient, or part of a blend. For product comparison, Vitamin C should be checked by exact form, plant part or compound type, standardization, amount per serving, and whether it is listed as an active ingredient, other ingredient, or part of a blend.