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Home›Supplements›Vitamin›Vitamin B12›Fully Active B Complex with Quatrefolic Doctor's Best
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Fully Active B Complex with Quatrefolic

Doctor's Best
4.7
★ ★ ★ ★ ★
(22731 ratings)
Vitamin B12 1000 mcg
Riboflavin 75 mg
Thiamin 60 mg
Biotin 600 mcg
Vitamin B5 100 mg
Folate 400 mcg
Vitamin B6 50 mg
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Score 92

An exceptional B-complex featuring highly bioavailable, active forms of B vitamins at robust dosages, providing comprehensive support for energy, brain, and nerve health.

Quantity: 60 Veggie Cap(s) • (60 servings)
Goals:
flag Cognitive Support
flag Mood Support
flag Energy
flag Bone Health
flag Brain Health

leaderboard Score 92

An exceptional B-complex featuring highly bioavailable, active forms of B vitamins at robust dosages, providing comprehensive support for energy, brain, and nerve health.

insightsAnalysis

This Doctor's Best B-complex excels by utilizing premium, biologically active forms of B vitamins, including Quatrefolic (5-MTHF) for Folate, Methylcobalamin for B12, Pyridoxal 5-Phosphate (P5P) for B6, and Riboflavin 5-Phosphate for B2. These 'coenzymated' forms are designed for direct utilization by the body, bypassing metabolic conversion steps that some individuals may struggle with. This makes the product particularly effective for those seeking optimal absorption and impact from their B vitamin supplement.

Beyond the active forms, the product provides substantial dosages across the B vitamin spectrum, with some vitamins like B2, B3, and B6 delivering particularly high amounts, ensuring potent support. The addition of Vitamin C further enhances its overall health benefits. The combination of advanced ingredient forms, generous potencies, and a highly competitive price point for its quality makes this supplement a superior option for comprehensive B vitamin support.

thumb_upPros
  • Features highly active forms (Quatrefolic, Methylcobalamin, P5P, Riboflavin 5-Phosphate) for superior bioavailability.
  • Provides substantial, balanced dosages of all key B vitamins.
  • Includes Vitamin C for added antioxidant and immune support.
  • Excellent price for the quality of ingredients.
  • Very high customer satisfaction and review count.
thumb_downCons
  • The very high dosages for some B vitamins might be more than some individuals require.
  • Capsule form may not be preferred by all users.
warningWarnings
  • High doses of Riboflavin may cause urine to appear bright yellow, which is a normal and harmless effect.
  • Individuals sensitive to high B vitamin dosages may wish to consult a healthcare professional before use.
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$17.99($0.29 per serving)
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$ 17.99
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$ 17.99
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Ingredients

IngredientAmount per serving
Vitamin C
40 mg
Vitamin B1
60 mg
Vitamin B2
75 mg
Vitamin B3
50 mg
Vitamin B6
50 mg
Quatrefolic
400 mcg
Vitamin B12
1000 mcg
Biotin
600 mcg
Pantothenic Acid
100 mg
grain_off Gluten Free person Adults 18–50 eco Vegan eco Vegetarian
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Categories

Vitamin B12 98
The product features an impressive 1000mcg of Methylcobalamin, an active and highly bioavailable form of Vitamin B12. This dosage and form provide exceptional support for neurological function, energy metabolism, and red blood cell formation.
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Folate 98
The product utilizes Quatrefolic, a trademarked, active form of L-5-MTHF. This highly bioavailable form bypasses conversion steps, offering superior support for DNA synthesis, cell division, and homocysteine metabolism for all individuals.
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Vitamin B6 95
The inclusion of Pyridoxal 5-Phosphate (P5P), the active coenzyme form of B6, alongside Pyridoxine Hydrochloride, ensures excellent utilization. This 100mg total dosage provides superior support for protein metabolism and neurotransmitter synthesis.
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Goals

flag Cognitive Support 95
With active forms like Quatrefolic, Methylcobalamin, and P5P, this product provides optimal support for neurotransmitter synthesis and nerve health, which are crucial for sharp cognitive function and mental clarity. These forms are readily utilized by the brain.
flag Energy 95
All B vitamins are essential for converting food into cellular energy, and the active forms in this complex ensure efficient metabolic processes. This provides robust support for sustained energy levels throughout the day.
flag Brain Health 95
The blend of active B vitamins, particularly Quatrefolic, Methylcobalamin, and P5P, offers comprehensive support for nerve function, brain cell integrity, and neurotransmission. This is a very strong product for maintaining and enhancing brain health.
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