I take one per day with these components:

Ingredients:
Supplement Facts
Serving Size 1 Tablet
Servings per Container: 30
Amount Per Tablet
% Daily Value
Vitamin B1 (thiamine)
5 mg
330%
Vitamin B2 (riboflavin)
6 mg
350%
Niacin (niacinamide)
50 mg
250%
Vitamin B6 (pyridoxine HCl)
9 mg
450%
Folic Acid
400 mcg
100%
Vitamin B12 (cyanocobalamin)
50 mcg
830%
Biotin
100 mcg
30%
Pantothenic Acid
(d-calcium pantothenate)
45 mg
450%
Calcium (di-calcium phosphate)
120 mg
10%
Phosphorus (di-calcium phosphate)
90 mg
10%
*Daily Value not established

There are definitely other B Complex formulations out there with higher percentages, but I don't think I need more than this.
Location: Texas
Type: 3b/3c (i), below shoulder length.
CO wash: A-O GPB LYY, Salon Care Honey Almond, Devacurl OC, Acure Argan Stem Cell+Argan Oil, Mill Creek Botanicals Keratin Repair
Leave-ins: BWC, KCKT, cno overnight
Styling: BRHG, MGA Sculpting Gel, A-O Mandarin Magic Gel, LOTD AVG, LALSG
DT: Kiehl's Olive Fruit Oil Deeply Repairative Hair Pak, Curl Junkie Deep Fix, Briogeo Don't Despair Repair!