Klean B Complex

Athletes of all levels demand the most from themselves as they strive for peak performance. Proper foundational nutrients ensure they have the energy to push their body to reach the next level. Klean B-Complex was specially designed to help physically active athletes keep up with the daily rigors of intense training by supporting energy production and helping to build and repair muscle.‡
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 | |
| Thiamine (as thiamine HCl) (B1) | 25 mg |
| Riboflavin (as vitamin B2 and riboflavin-5-phosphate) | 15 mg |
| Niacin (as niacinamide) | 50 mg |
| Vitamin B6 (as pyridoxine HCl and pyridoxal-5-phosphate) | 50 mg |
| Folate (as Metafolin®, L-5-MTHF) | 1,333 mcg DFE (800 mcg L-5-MTHF) |
| Vitamin B12 (as adenosylcobalamin and hydroxycobalamin) | 800 mcg |
| Biotin | 400 mcg |
| Pantothenic Acid (B5, as calcium pantothenate) | 100 mg |
| Choline (as choline bitartrate) | 40 mg |
| Inositol | 25 mg |
| BenfoPure® Benfotiamine | 3 mg |
| Other ingredients: Hydroxypropyl methylcellulose (vegetarian capsule), microcrystalline cellulose, ascorbyl palmitate | |
Athletes of all levels demand the most from themselves as they strive for peak performance. Proper foundational nutrients ensure they have the energy to push their body to reach the next level. Klean B-Complex was specially designed to help physically active athletes keep up with the daily rigors of intense training by supporting energy production and helping to build and repair muscle.‡
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 | |
| Thiamine (as thiamine HCl) (B1) | 25 mg |
| Riboflavin (as vitamin B2 and riboflavin-5-phosphate) | 15 mg |
| Niacin (as niacinamide) | 50 mg |
| Vitamin B6 (as pyridoxine HCl and pyridoxal-5-phosphate) | 50 mg |
| Folate (as Metafolin®, L-5-MTHF) | 1,333 mcg DFE (800 mcg L-5-MTHF) |
| Vitamin B12 (as adenosylcobalamin and hydroxycobalamin) | 800 mcg |
| Biotin | 400 mcg |
| Pantothenic Acid (B5, as calcium pantothenate) | 100 mg |
| Choline (as choline bitartrate) | 40 mg |
| Inositol | 25 mg |
| BenfoPure® Benfotiamine | 3 mg |
| Other ingredients: Hydroxypropyl methylcellulose (vegetarian capsule), microcrystalline cellulose, ascorbyl palmitate | |