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Energy metabolism, nervous system support, homocysteine metabolism
Adults with busy schedules seeking daily B-vitamin intake or people with low dietary intake of animal products who want additional vitamin B-12.
Take 1 tablet once daily with a meal; taking B vitamins with food may reduce stomach upset.
Non-GMO; Vegetarian/Vegan; Kosher; Halal; Not manufactured with wheat, gluten, soya, milk, egg, fish, shellfish, tree nut or sesame ingredients.
Vitamin B-6 acts as a coenzyme in amino acid metabolism and neurotransmitter synthesis, which may support nervous system function and energy metabolism.
Caution: High-dose B-6 may cause tingling or numbness in sensitive individuals; take as directed and speak to a professional if unusual sensations occur.
Niacinamide supports the formation of NAD+/NADH coenzymes that help convert carbohydrates, fats, and proteins into usable cellular energy.
Caution: Niacinamide generally does not cause flushing, but high intakes may upset the stomach; take with food.
Folate donates methyl groups for one‑carbon metabolism, supporting homocysteine remethylation and DNA synthesis.
Caution: Those using high-dose folate alongside vitamin B-12 deficiency may mask haematological signs; ensure adequate B-12 intake, especially for vegans and vegetarians.
Vitamin B-12 supports methylation and energy production by acting as a cofactor in homocysteine metabolism and red blood cell formation.
Caution: Can interact with some medications that affect stomach acid; take with a meal if sensitive to supplements.
Pantothenic acid forms part of coenzyme A, which is central to fatty acid metabolism and energy production in mitochondria.
Caution: High doses may cause mild gastrointestinal discomfort; taking with food may improve tolerance.
B vitamins act as coenzymes across energy pathways: niacinamide supports NAD-dependent reactions, pantothenic acid feeds coenzyme A processes, and B-6 assists amino acid and neurotransmitter metabolism. Folate and B-12 work together in methylation to recycle homocysteine, complementing overall cellular energy and nervous system support.
Label Warning: For adults only. Consult a physician if pregnant or nursing, taking medication, or have a medical condition. Contains biotin which may interfere with some blood test results.
Who should be cautious: People who rely on laboratory testing for heart markers or thyroid panels may wish to avoid high biotin near testing and inform their clinician. Those with medical conditions or on medications should discuss use with a healthcare provider before starting.
Storage: Store in a cool, dry place after opening.
This product is guaranteed authentic and backed by our easy returns and refunds policy. Details
Magnesium and B vitamins may support energy production and nervous system health, working together to help maintain overall vitality and reduce fatigue.
AI generated. Not medical advice.
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B-50 Tabs provide a full complement of B-vitamins plus choline and inositol. These vitamins work to support energy production, maintain healthy homocysteine metabolism, and promote the health of the nervous system. B-vitamins are water soluble, and with the exception of B-12, have limited storage in the body and thus require daily replenishment. While B-12 is stored in the liver, dietary sources are of animal origin only (meat and dairy) and supplementation with B-12 may be especially important for vegetarians.
microcrystalline cellulose, stearic acid (plant-based), croscarmellose sodium, magnesium stearate (vegetable source) and silicon dioxide.
Made and quality tested in the USA with globally sourced ingredients.
Not manufactured with wheat,, gluten, soya, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
For adults only. Consult a physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children. This product contains Biotin which may interfere with some blood test results.
Natural colour variation may occur in this product.
Store in a cool, dry place after opening.
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally be despatched with alternative packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and do not rely solely on the information provided by iHerb. This website has been machine translated as a courtesy to customers. iHerb does not represent or warrant that the translations are complete or error-free and iHerb is not responsible for any translation errors or omissions.
| Supplement information | ||
| Serving size: one tablet | ||
| Amount per serving | %Reference intake | |
| Thiamine (Vitamin B-1) (from Thiamine HCl) | 50 mg | 4167% |
| Riboflavin (Vitamin B-2) | 50 mg | 3846% |
| Niacin (Vitamin B-3) (as Niacinamide) | 50 mg | 313% |
| Vitamin B-6 (from Pyridoxine HCl) | 50 mg | 2941% |
| Folate | 680 mcg DFE (400 mcg Folic Acid) | 170% |
| Vitamin B-12 (as Cyanocobalamin) | 50 mcg | 2083% |
| Biotin | 50 mcg | 167% |
| Pantothenic Acid (from Calcium Pantothenate) | 50 mg | 1000% |
| Choline (from Choline Bitartrate) | 50 mg | 9% |
| PABA (para-aminobenzoic acid) | 50 mg | † |
| Inositol | 50 mg | † |
| †Reference intake not established. | ||
