Personal experience with Procyanidin B2 shows it's ineffective for hair loss. ViviscalProsupplementtablets, containing Procyanidin B2, didn't help after 8 months of use.
The conversation discusses which vitamins to take alongside 0.5mg finasteride for hair loss, with suggestions including a multivitamin, iron, zinc, B12, vitamin D, Nutrafol, collagen, vitamin C, saw palmetto, and magnesium. Nutrafol is noted for its benefits but also criticized for containing too much biotin.
The user reported using Morr-F (topical finasteride and minoxidil), microneedling, castor and coconut oil, rosemary oil, and various supplements. They observed some hair regrowth, particularly fine hair on the crown and hairline, after four months of needling and three weeks of Morr-F.