Your diet must be poverty as hell to miss out on enough vitamins to cause your hair fall out. What’s «stuff»? Are you being vague on purpose?
Just use vitamin A, B1, B2, B3, B4, B6, B7, B12, C, D3, E, K, iron, magnesium, copper, selenium, chromium, calcium, phosphorus, zinc, sulfur, iodine, cobalt, manganese, lycopene, coq10, fish oil, cod liver oil, black seed oil, lemon oil, BCAA, soy, pumpkin seed oil, saw palmetto, fenugreek, MSM, garlic juice, onion juice, ginger juice, topical ginger juice, bee venom, laminaria japonica, cistanche, rice bran oil,
Also,
yoga, meditation, cold showers, hot showers, head massages, nofap, prayer, German volume training for weightlifting, regular haircuts, and make sure not to wear any hats it blocks the flow of blood to your head.