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B-Complex 100

The Vitamin Shoppe
4.7
★ ★ ★ ★ ★
(185 ratings)
Thiamin 100 mg
Riboflavin 100 mg
Vitamin B5 100 mg
Biotin 300 mcg
Vitamin B6 100 mg
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Score95

A high-strength, bioavailable B-complex designed to support mental energy and metabolic health.

How scoring works
Quantity:100 Capsule(s) • (100 servings)
Goals:
Energy
Stress Relief
Brain Health
Skin Health
Metabolism Boost
Cognitive Support

Score 95

A high-strength, bioavailable B-complex designed to support mental energy and metabolic health.

How scoring works
$23.99($0.23 per serving)
iHerb
$ 23.99
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Analysis

If you're feeling sluggish or deal with a lot of daily stress, this high-potency B-complex can help. It provides 100mg of several key B vitamins that support your metabolism and keep your nervous system running smoothly.

It uses methylcobalamin for B12, which is a very bioavailable form that your body can use right away. This is a smart choice for anyone needing a strong nutritional foundation to support mental energy and focus.

Pros

  • Excellent high-potency B-vitamin doses
  • Uses bioactive methylcobalamin (B12)
  • Includes choline and inositol for brain support
  • Very efficient pricing for a 100-day supply

Cons

  • Uses synthetic Pyridoxine (B6)
  • High niacin dose may cause 'flush' in sensitive people
  • Large dose of riboflavin causes bright yellow urine

Warnings

  • May cause bright yellow urine (harmless B2 byproduct)
  • Best taken with food in the morning for all-day energy

Nutrient quality

91 Highest impact

Utilization of the methylated form of vitamin B12 ensures superior absorption compared to standard cyanocobalamin. The 100 mg dosage for multiple cofactors provides robust support for energy and nervous system function.

Ingredient transparency

100 Highest impact

Clear disclosure of all active amounts and chemical forms ensures high transparency for the consumer. Label guidance regarding daily intake is specific and easy to follow.

Customer satisfaction

93 Highest impact

Strong user ratings indicate reliable consumer satisfaction with the efficacy and quality of the supplement. Feedback suggests the formula is well-received for its metabolic and energy-supporting effects.

Value for money

96 Highest impact

Exceptional value per serving provides an affordable way to access high-potency B-vitamins in a clean capsule format. The cost aligns well with the inclusion of premium methylated B12 and high dosage levels.

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Goals

Energy
Impact
Highest effect
A+ Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality

This high-potency B-complex utilizes a full spectrum of metabolic cofactors to support cellular energy production.

The clean capsule format and balanced formulation appear well aligned with metabolic health requirements.

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Stress Relief
Impact
Highest effect
B+ Goal FitB+ Strength of SupportA CoverageA+ Formula Quality

This high-potency B-complex provides 100mg of all essential B-vitamins to support the nervous system and help the body manage chronic stress. Pantothenic acid and Vitamin B6 are particularly important for maintaining healthy adrenal function and synthesizing neurotransmitters.

While B-vitamins provide essential foundational support, they do not offer the acute relaxation typical of adaptogenic herbs. This complete complex appears well aligned for users looking to support their long-term physiological capacity for resilience.

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Brain Health
Impact
Highest effect
A- Goal FitB+ Strength of SupportB CoverageA Formula Quality

Delivers a potent B-Complex '100' featuring bioactive Methylcobalamin to support brain energy metabolism and nervous system health. High doses of foundational B-vitamins like Thiamine and Riboflavin are essential for maintaining mental processing speed and focus.

While highly potent, the use of synthetic Pyridoxine HCl and Niacinamide is standard but less bioactive than premium coenzyme alternatives. This comprehensive formula provides strong nutritional support for individuals seeking mental energy and stress resilience.

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Skin Health
Impact
Highest effect
B+ Goal FitA Strength of SupportB CoverageA- Formula Quality

Niacinamide and Pantothenic acid are provided at 100mg each to support dermal barrier integrity and moisture retention. The inclusion of diverse B-vitamins facilitates the cellular energy required for healthy skin turnover.

A complete B-complex appears well aligned with skin health by providing foundational metabolic cofactors. Capsule delivery ensures reliable dissolution without the binders found in high-dose tablets.

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Metabolism Boost
Impact
Highest effect
B+ Goal FitA- Strength of SupportC- CoverageA+ Formula Quality

Thiamine, riboflavin, and pantothenic acid are provided at high doses to support the fundamental enzymatic reactions of energy metabolism. These B-vitamins act as essential cofactors in the citric acid cycle and mitochondrial energy production.

The 100mg doses ensure that cellular energy pathways have ample enzymatic support for converting fuel into ATP. This selection is highly appropriate for individuals seeking to optimize their cellular metabolic efficiency.

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Cognitive Support
Impact
High effect
C+ Goal FitB- Strength of SupportC CoverageA- Formula Quality

Thiamine, vitamin B6, and methylcobalamin are provided in high doses to support neurotransmitter synthesis and maintain neural energy. These essential vitamins are critical for individuals seeking support for mental processing and focus.

Suitability for the selected goal appears strong for foundational brain health support. The formula provides high-potency doses of B-vitamins, although it lacks direct botanical nootropic extracts.

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Ingredients

IngredientAmount per serving
Thiamine (Thiamine Mononitrate, Vitamin B1)
 100 mg
Riboflavin (Vitamin B2)
 100 mg
Niacin (Niacinamide)
 100 mg NE
Vitamin B6 (Pyridoxine Hydrochloride)
 100 mg
Folate
667 mcg DFE
Vitamin B12 (Methylcobalamin)
 100 mcg
Biotin (D-Biotin)
 300 mcg
Pantothenic Acid (D-Calcium Pantothenate)
 100 mg
Choline (Choline Bitartrate)
 19 mg
Inositol
100 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
Thiamin (Thiamine Mononitrate, Vitamin B1) · 100 mg OverallScore92
B Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This clean B-complex capsule delivers high-potency thiamin along with a balanced spectrum of B-vitamins. It is an effective and value-conscious option for supporting metabolic energy pathways.
View ingredientView products
Riboflavin (Vitamin B2) · 100 mg OverallScore77
D- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This B-100 complex provides a strong 100mg dose of riboflavin for significant metabolic needs. The clean capsule format and efficient pricing make it a reliable choice for long-term health.
View ingredientView products
Vitamin B5 (D-Calcium Pantothenate) · 100 mg OverallScore72
A Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyF Value
This B-complex offers a foundational daily dose of Vitamin B5 in a well-absorbed and stable salt form. It is a reputable choice for daily health maintenance, although therapeutic B5 users may prefer more concentrated options.
View ingredientView products
92 Value

B-100 Gels

Carlson
4.8
★★★★★
(262 ratings)
Softgel delivery ensures faster release and optimized absorption of B-vitamins paired with phosphatidylcholine. High doses of thiamine and riboflavin support robust daily vitality and cognitive function effectively.
Other sellers (1)
94 Value

Stress B-Complex

Thorne
4.8
★★★★★
(207 ratings)
Providing 250mg of pantothenic acid along with methylcobalamin targets the increased metabolic demands of high-demand lifestyles. Professional-grade purity and clean-label standards ensure reliable systemic support.
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94 Value

Megasorb B-Complex '50'

Solgar
4.8
★★★★★
(1234 ratings)
Combining active P-5-P with standard B-vitamins and magnesium citrate facilitates efficient cellular nutrient transport. Multiple forms of riboflavin and pantothenic acid ensure diverse biological pathways receive metabolic support.
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96 Performance

BioActive Complete B-Complex

Life Extension
4.8
★★★★★
(110856 ratings)
Pyridoxal 5-phosphate and L-5-methyltetrahydrofolate are utilized to bypass enzymatic conversion steps for immediate cellular absorption. Unusually high levels of pantothenic acid provide deep support for the body's stress response.
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97 Performance

Vitamin B Complex

California Gold Nutrition
4.8
★★★★★
(7515 ratings)
Coenzymated forms like riboflavin 5-phosphate and Magnafolate Pro ensure superior bioavailability for the methylation cycle. Dual-form vitamin B6 provides a balanced approach to supporting neurotransmitter synthesis and energy.
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92 Performance

Coenzyme B-Complex Advanced

Country Life
4.8
★★★★★
(3225 ratings)
Bioactive benfotiamine and methylcobalamin are paired with PQQ and NADH to enhance mitochondrial efficiency and cellular energy. Advanced coenzyme forms bypass common metabolic hurdles for direct neurological support.
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91 Budget

B-Complex '50'

Solgar
4.8
★★★★★
(2467 ratings)
Balanced 50mg doses of foundational B-vitamins support energy metabolism and neurological health over a long duration. Bulk-sized packaging significantly reduces the cost per serving while maintaining consistent metabolic support.
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92 Budget

B-100 Complex

21st Century
4.7
★★★★★
(4958 ratings)
Robust 100mg dosages of key cofactors like thiamine and riboflavin assist in the efficient conversion of nutrients into cellular energy. Added calcium provides a stable tablet format for daily metabolic repletion.
Other sellers (1)
94 Budget

B-Complex '100'

Solgar
4.7
★★★★★
(30165 ratings)
Meaningful levels of thiamine mononitrate and niacinamide support daily vitality and the nervous system from a reputable source. Including choline and inositol further aids in brain signaling and lipid metabolism.
Other sellers (3)
92 Value

B-100 Gels

Carlson
4.8
★★★★★
(262 ratings)
Softgel delivery ensures faster release and optimized absorption of B-vitamins paired with phosphatidylcholine. High doses of thiamine and riboflavin support robust daily vitality and cognitive function effectively.
Other sellers (1)
94 Value

Stress B-Complex

Thorne
4.8
★★★★★
(207 ratings)
Providing 250mg of pantothenic acid along with methylcobalamin targets the increased metabolic demands of high-demand lifestyles. Professional-grade purity and clean-label standards ensure reliable systemic support.
Other sellers (3)
94 Value

Megasorb B-Complex '50'

Solgar
4.8
★★★★★
(1234 ratings)
Combining active P-5-P with standard B-vitamins and magnesium citrate facilitates efficient cellular nutrient transport. Multiple forms of riboflavin and pantothenic acid ensure diverse biological pathways receive metabolic support.
Other sellers (3)
96 Performance

BioActive Complete B-Complex

Life Extension
4.8
★★★★★
(110856 ratings)
Pyridoxal 5-phosphate and L-5-methyltetrahydrofolate are utilized to bypass enzymatic conversion steps for immediate cellular absorption. Unusually high levels of pantothenic acid provide deep support for the body's stress response.
Other sellers (2)
97 Performance

Vitamin B Complex

California Gold Nutrition
4.8
★★★★★
(7515 ratings)
Coenzymated forms like riboflavin 5-phosphate and Magnafolate Pro ensure superior bioavailability for the methylation cycle. Dual-form vitamin B6 provides a balanced approach to supporting neurotransmitter synthesis and energy.
Other sellers (0)
92 Performance

Coenzyme B-Complex Advanced

Country Life
4.8
★★★★★
(3225 ratings)
Bioactive benfotiamine and methylcobalamin are paired with PQQ and NADH to enhance mitochondrial efficiency and cellular energy. Advanced coenzyme forms bypass common metabolic hurdles for direct neurological support.
Other sellers (1)
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