Z.KocA.OzkanT.HekmatshoarY.SungurogluA.AktanF.et al (2016)
In skincare, it's best known as a brightening ingredient that slows down tyrosinase, the key enzyme that makes skin pigment
Others see minimal cosmetic change
These products are almost always labeled for research purposes only or not for human use, and there is a very good reason for that
The majority of the population meets the recommended daily allowance of 0.9-1.3 mg/day.[ref] People more likely to suffer from riboflavin deficiency include: The elderly, women on birth control, vegans, and alcoholics are more likely to have a deficiency.[ref] People who exercise a lot are at a risk of deficiency if their intake isnt increased to meet the energy demand.[ref] Mothers who are breastfeeding may need more riboflavin because breast milk contains a lot of riboflavin and FAD.[ref] The need for riboflavin increases significantly in pregnancy.[ref] However, there is a difference between not having a severe deficiency and getting what is optimal for your specific needs , taking into account genetics and lifestyle
NAD Plus vs Glutathione: Bioavailability Your choice of delivery method makes a huge difference