Most recently, a randomized, double-blind, placebo-controlled trial in 81 children (8-14 years) residing in the UK found that use of a daily multivitamin/mineral supplement, containing most vitamins as well as iron, copper, zinc, calcium, and magnesium, was associated with an increase in accuracy on one attention task (Arrows Flankers test) throughout the 12-week study (106)
If youre struggling with discoloration, acne scars, or just want to brighten your overall complexion without spending too much, I think the ItS SKIN Glutathione Shot B3 Anti Discoloration Serum is definitely worth trying
Antioxidants, 10 (6), 870
Serum ferritin is currently considered the most cost-effective and efficient test for diagnosing an iron deficiency, especially in its early stages