1. PABA
2. Copper
3. Vitamin B12
4. Vitamin B5
5. Folate
6. Vitamin D3
I have supplemented with 1, 3, 4, 5 and 6 for years and am as grey as it gets so I am not a good example of the workability of this regime.
Click to view the video: https://www.youtube.com/watch?v=y7wG-UcN8Bw