B-Complex with Metafolin ® L-5-MTHF

B-Complex offers a comprehensive blend of B vitamins including pyridoxal-5-phosphate, riboflavin-5-phosphate and folate as 5-methyltetrahydrofolate (5-MTHF), the universally metabolized and biologically active form of folate designed to support cellular, cardiovascular, neurological and psychological health.‡
Douglas Laboratories' logo, text, trademarks, graphics, and photo images are the property of Douglas Laboratories, LLC and are used with permission. Copyright © 2026.
*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.douglaslabs.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.
Supplement Facts
| Serving Size 1 Vegetarian Capsule • Servings Per Container 60 | |
| Amount Per Serving | |
| Thiamin (vitamin B1, as thiamine HCl) | 100 mg |
| Riboflavin (as vitamin B2 and 60% riboflavin 5' phosphate) | 12.7 mg |
| Niacin (vitamin B3, as niacinamide and inositol hexaniacinate) | 108 mg |
| Vitamin B6 (as pyridoxine HCl and 40% pyridoxal 5' phosphate) | 16.7 mg |
| Folate (as Metafolin®, L-5-MTHF) | 667 mcg DFE (400 mcg L-5-MTHF) |
| Vitamin B12 (as methylcobalamin) | 400 mcg |
| Biotin | 400 mcg |
| Pantothenic acid (B5, as calcium panthothenate) | 100 mg |
| Other ingredients: Hydroxypropyl methylcellulose (capsule), ascorbyl palmitate | |
| Metafolin® is a registered trademark of Merck KGaA, Darmstadt, Germany. | |
B-Complex offers a comprehensive blend of B vitamins including pyridoxal-5-phosphate, riboflavin-5-phosphate and folate as 5-methyltetrahydrofolate (5-MTHF), the universally metabolized and biologically active form of folate designed to support cellular, cardiovascular, neurological and psychological health.‡
Douglas Laboratories' logo, text, trademarks, graphics, and photo images are the property of Douglas Laboratories, LLC and are used with permission. Copyright © 2026.
*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.douglaslabs.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.
Supplement Facts
| Serving Size 1 Vegetarian Capsule • Servings Per Container 60 | |
| Amount Per Serving | |
| Thiamin (vitamin B1, as thiamine HCl) | 100 mg |
| Riboflavin (as vitamin B2 and 60% riboflavin 5' phosphate) | 12.7 mg |
| Niacin (vitamin B3, as niacinamide and inositol hexaniacinate) | 108 mg |
| Vitamin B6 (as pyridoxine HCl and 40% pyridoxal 5' phosphate) | 16.7 mg |
| Folate (as Metafolin®, L-5-MTHF) | 667 mcg DFE (400 mcg L-5-MTHF) |
| Vitamin B12 (as methylcobalamin) | 400 mcg |
| Biotin | 400 mcg |
| Pantothenic acid (B5, as calcium panthothenate) | 100 mg |
| Other ingredients: Hydroxypropyl methylcellulose (capsule), ascorbyl palmitate | |
| Metafolin® is a registered trademark of Merck KGaA, Darmstadt, Germany. | |