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B-100

NOW
4.8
★ ★ ★ ★ ★
(10262 ratings)
Thiamin 100 mg
Niacin 100 mg
Riboflavin 100 mg
PABA 10 mg
Vitamin B5 100 mg
Vitamin B6 100 mg
Product Image
Score94

A potent and highly economical B-100 capsule for comprehensive energy and brain support.

How scoring works
Quantity:250 Capsule(s) • (250 servings)
Goals:
Energy
Metabolism Boost
Cognitive Support
Brain Health
Stress Relief

Score 94

A potent and highly economical B-100 capsule for comprehensive energy and brain support.

How scoring works

Also available as

3 options
50.00mg • 250 Capsule(s) servings 50.00mg • 250 Capsule(s) • 250 servings $22.66 ($0.09 per serving) 50.00mg • 250 Tablet(s) servings 50.00mg • 250 Tablet(s) • 250 servings $25.50 ($0.10 per serving) 100 servings 1 Veg Capsule(s) • 100 Capsule(s) • 100 servings $13.02 ($0.13 per serving)
$27.63($0.11 per serving)
iHerb
$ 36.74
Vitacost
$ 36.74
Daily Vita
$ 34.70
Amazon
$ 30.15
Nutrition Faktory
$ 34.99
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Analysis

This capsule provides 100 mg of major B vitamins, ensuring you have ample enzymatic support for your energy cycles. It is a clean option for those who prefer capsules over tablets for easier digestion and absorption.

The bulk 250-count bottle offers incredible value for a high-potency product. It includes foundational extras like choline, inositol, and PABA to support brain signaling and cellular health throughout the day.

Pros

  • Excellent value in a bulk bottle
  • Faster-absorbing capsule form
  • Potent 100 mg dosages
  • Includes all major B-vitamin cofactors

Cons

  • B6 dose is high for long-term use
  • Choline and inositol doses are very low
  • Uses synthetic cyanocobalamin B12

Warnings

  • Urine will turn bright yellow
  • Monitor for any skin sensations or tingling
  • Keep away from heat and moisture

Nutrient quality

84 Highest impact

Every B-vitamin is present in a high-potency amount, ensuring broad metabolic support for energy pathways. While standard synthetic forms are used, the capsule format ensures efficient delivery without heavy compression binders.

Ingredient transparency

98 Highest impact

Labeling is exceptionally clear, providing specific doses and forms for every nutrient in the complex. The absence of proprietary blends ensures that consumers can accurately judge their intake of each individual B-vitamin.

Customer satisfaction

96 Highest impact

With a massive volume of reviews and a high rating, this product has demonstrated long-term reliability and user satisfaction. Consumers frequently mention significant improvements in energy and mental focus.

Value for money

99 Highest impact

At 11 cents per serving, this high-potency complex offers industry-leading value for its nutrient density and brand quality. The long-term supply and efficient format make it an outstanding choice for daily vitality.

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Goals

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

High-potency B-complex vitamins, including thiamin and pantothenic acid, drive the metabolic utility of this formulation. It includes secondary support from choline and inositol for neurological and cellular health.

Substantial levels of foundational cofactors facilitate the conversion of food into cellular ATP. It appears well aligned for individuals looking for a potent and comprehensive B-vitamin protocol for daily vitality.

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

This B-100 complex features a high-dose blend of all essential B-vitamins to support mitochondrial efficiency and energy production. Secondary factors like PABA and Choline assist in overall nutrient utilization and cellular health.

Support for the conversion of macronutrients into usable energy is meaningful through this high-potency B-vitamin delivery. It appears well aligned as a metabolic support foundation for daily wellness routines.

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

High-potency doses of thiamine, riboflavin, and pyridoxine provide foundational support for neural energy metabolism and neurotransmitter production. These metabolic precursors appear well aligned with maintaining basic cognitive function and nerve health.

Inclusion of choline and inositol supports cellular signaling and structural integrity within the brain. The straightforward B-complex approach provides a reliable basis for individuals seeking metabolic brain support.

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Brain Health
Impact
High effect
B Goal FitB Strength of SupportC- CoverageA- Formula Quality

This high-potency B-complex capsule delivers a full spectrum of B-vitamins to support neurological energy metabolism. Thiamine, riboflavin, and niacin are included at 100mg each per serving.

B-vitamins are vital cofactors for the metabolic processes that maintain the nervous system. The formula provides foundational support for preventing cognitive fatigue, though the use of synthetic forms should be noted.

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Stress Relief
Impact
High effect
B- Goal FitC+ Strength of SupportC CoverageB+ Formula Quality

This high-strength B-100 complex provides potent support for the nervous system and adrenal glands through foundational cofactors. Active ingredients such as Vitamin B5 and Vitamin B6 are necessary for the synthesis of stress hormones and calming neurotransmitters.

While the doses are high, the reliance on synthetic pyridoxine and cyanocobalamin is a significant drawback for bioavailability. It provides deep support for one specific biological pathway but lacks the adaptogens or magnesium needed for broader coverage of the stress response.

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Skin Health
Impact
Moderate effect
D+ Goal FitB+ Strength of SupportF CoverageD+ Formula Quality

Niacin and Vitamin B5 are included in robust doses to support the skin's lipid barrier and cellular energy metabolic processes. These nutrients may contribute to improved hydration and situational sebum management.

The formula lacks direct antioxidant support from Vitamin C or E and excludes essential structural building blocks like collagen or minerals. It remains a high-potency general supplement with limited direct application for comprehensive skin health goals.

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Ingredients

IngredientAmount per serving
Thiamine (Thiamine Hydrochloride, Vitamin B1)
 100 mg
Riboflavin (Vitamin B2)
 100 mg
Niacin (Niacinamide, Vitamin B3)
 100 mg
Vitamin B6 (Pyridoxine Hydrochloride)
 100 mg
Folate
680 mcg DFE
Vitamin B12 (Cyanocobalamin)
 100 mcg
Biotin
100 mcg
Pantothenic Acid (Calcium Pantothenate)
 100 mg
Choline (Choline Bitartrate)
 10 mg
Inositol
10 mg
PABA
10 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Thiamin (Thiamine Hydrochloride, Vitamin B1) · 100 mg OverallScore88
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This B-100 complex provides a high-potency dose of thiamin in its standard water-soluble form. It is an excellent value for maintaining general metabolic health and B-vitamin balance.
View ingredientView products
Niacin (Niacinamide, Vitamin B3) · 100 mg OverallScore84
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value
This high-potency B-complex from NOW provides a standard 100mg dose of niacinamide for daily vitality in a cost-effective capsule. It is a reliable choice for complete B-vitamin coverage.
View ingredientView products
Riboflavin (Vitamin B2) · 100 mg OverallScore77
D- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This capsule-based B-complex provides a high dose of riboflavin for metabolism support at a very low cost. It offers high bioavailability and purity, making it a strong all-around choice for daily supplementation.
View ingredientView products
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★★★★★
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Vitamin B-Complex 100

Solaray
4.7
★★★★★
(2484 ratings)
Offers a bulk supply of 100mg doses in vegetable capsules, combining high potency with a very competitive cost per serving. Thiamine, riboflavin, and niacinamide provide foundational support for metabolic efficiency over an extended period.
Other sellers (1)
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B-Complex '100'

Solgar
4.7
★★★★★
(29387 ratings)
Supplies a complete 100mg B-vitamin range in a clean capsule format from a well-regarded brand at a better long-term value. Thiamine mononitrate and pantothenic acid support energy metabolic pathways and systemic resilience.
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Hi Potency B Complex

Natural Factors
4.7
★★★★★
(13607 ratings)
Provides a significant 1700mcg dose of folate for better systemic support in a highly cost-efficient 90-serving bottle. This formula delivers substantial B-vitamin doses for daily metabolic and nervous system health.
Other sellers (2)
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Super B-50

NaturesPlus
4.7
★★★★★
(400 ratings)
Uses methylated forms of B12 and folate, which can be easier for the body to absorb and utilize than standard synthetic vitamins. These pre-activated cofactors support neurological vitality and energy metabolism more effectively.
Other sellers (2)
94 Performance

Stress B-Complex

Thorne
4.8
★★★★★
(197 ratings)
Features a very high 250mg dose of pantothenic acid to better support the stress response and metabolic health. This clean formulation uses bioavailable forms like methylcobalamin for superior nutrient utilization.
Other sellers (2)
92 Performance

B-100 Gels

Carlson
4.8
★★★★★
(250 ratings)
Provides a high-potency B-100 formula in a softgel delivery system that may assist in the absorption of fat-soluble components. It includes phosphatidylcholine to support cognitive function and assist in nutrient transport.
Other sellers (1)
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