SKIN BRIGHTENING SUPPLEMENTS BACKED BY SCIENCE 1. Oral Glutathione 2. L-Cystine + Glutathione 3. Vitamin C 4. Polypodium Leucotomos (fern extract) 5. Alpha-Lipoic Acid 6. Zinc 7. Astaxanthin 8. Pycnogenol ( pine bark) 9. Niacinamide 10. Omega- 3 Fish oil Number 1-5 are the best when it comes to over all skin brightening Use any of these supplements and combine with daily sunscreen to prevent new pigmentation from forming.