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B-100 Complex

21st Century
4.7
★ ★ ★ ★ ★
(4819 ratings)
Vitamin B12 100 mcg
Riboflavin 100 mg
Thiamin 100 mg
Biotin 100 mcg
Vitamin B5 100 mg
Calcium 160 mg
Vitamin B6 100 mg
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Score 75

<p>This B-100 Complex offers a robust, high-potency blend of B vitamins at 100mg/mcg levels, alongside calcium, providing enhanced support for energy, metabolism, and overall well-being in an affordable tablet.</p>

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

leaderboard Score 75

<p>This B-100 Complex offers a robust, high-potency blend of B vitamins at 100mg/mcg levels, alongside calcium, providing enhanced support for energy, metabolism, and overall well-being in an affordable tablet.</p>

insightsAnalysis

The 21st Century B-100 Complex delivers a more potent dose of essential B vitamins compared to its B-50 counterpart, with most B vitamins, including Thiamine, Riboflavin, Niacin, Vitamin B6, and Pantothenic Acid, present at 100mg or 100mcg. This higher concentration is often sought by individuals with greater nutritional needs or those looking for more comprehensive metabolic support.

Like the B-50 version, this complex uses Niacinamide, which is a non-flushing form of Niacin, and includes Calcium from carbonate and dicalcium phosphate sources to support bone health. It serves as a strong daily B vitamin foundation for those seeking higher potency.

thumb_upPros
  • High potency (100mg/mcg for most B vitamins).
  • Economical price for a B-100 complex.
  • Niacinamide form helps avoid flushing.
  • Added calcium for bone support.
  • Convenient tablet form.
thumb_downCons
  • Uses Cyanocobalamin for B12, which some prefer to avoid.
  • Uses Pyridoxine Hydrochloride for B6, rather than the active P-5-P form.
  • Calcium forms are standard, not highly bioavailable.
  • The higher doses might be more than some individuals need daily.
warningWarnings
  • High doses of B vitamins can result in bright yellow urine, which is a normal occurrence.
  • Individuals new to high-potency B complexes should observe their tolerance.
  • It's always wise to consult a healthcare professional, especially if taking other medications or supplements.
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$9.49($0.15 per serving)
iHerb
$ 9.49
Pure Formulas
$ 10.06
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Ingredients

IngredientAmount per serving
Vitamin B1
100 mg
Vitamin B2
100 mg
Niacin
100 mg
Vitamin B6
100 mg
Folate
667 mcg DFE
Vitamin B12
100 mcg
Biotin
100 mcg
Pantothenic Acid
100 mg
Calcium
160 mg
grain_off Gluten Free person Adults 18–50
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Categories

Niacin 80
Offers 100mg of Niacin in the Niacinamide form, a substantial dose that supports various metabolic functions without causing the typical niacin flush. It's a robust addition to this complex.
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Thiamin 80
Delivers 100mg of Thiamine (Vitamin B1), providing strong support for energy metabolism and nerve health. This is a significant dose for those needing higher levels.
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Riboflavin 80
Provides 100mg of Riboflavin (Vitamin B2), which is essential for energy production and cellular growth. This higher dose can offer enhanced support.
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Goals

flag Energy 80
With 100mg/mcg of most B vitamins, this complex offers enhanced support for the metabolic processes that convert food into energy. It can contribute to sustained energy levels, particularly for individuals with higher demands.
flag General Health 80
This B-100 complex offers a comprehensive and potent dose of essential B vitamins, along with calcium, making it a robust supplement for supporting overall bodily functions. It's a strong foundational choice for general wellness.
flag Metabolism Boost 78
The elevated levels of all B vitamins directly contribute to efficient carbohydrate, fat, and protein metabolism. This product can help optimize the body's energy-yielding processes.
inventory_2Recommended products
88 Value

B-100

NOW
4.8
★★★★★
(10169 ratings)
This B-100 complex from NOW Foods is a highly reputable and trusted brand known for its quality and value. It offers a comparable full spectrum of B vitamins at 100mg/mcg potencies, including beneficial co-factors like PABA, Inositol, and Choline. It provides excellent overall value, often at a slightly more competitive price per serving than the original product.
Other sellers (4)
85 Value

B-Complex '100'

Solgar
4.7
★★★★★
(29237 ratings)
Solgar is a well-established brand with a strong reputation for high-quality and pure supplements. This B-100 complex provides comprehensive B vitamin support at 100mg/mcg potency for most B vitamins, along with Choline and Inositol. It offers a premium brand experience and trusted formulation at a price point that presents better value per serving than the original product.
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78 Value

B 100 Complex

Spring Valley
4.7
★★★★★
(518 ratings)
This product is a direct competitor to the original B-100 complex, offering the same 100mg/mcg potencies for most B vitamins. It provides similar comprehensive B vitamin support to the original product but often at a slightly lower price per serving, making it a marginally better value choice for those seeking a standard B-100 supplement.
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98 Performance

B-Complex

Paradise Earth's Blend
4.7
★★★★★
(4900 ratings)
This B-complex excels in bioavailability and comprehensiveness, utilizing active forms of B12 (Methylcobalamin), Folate (L-Methylfolate), B6 (Pyridoxal 5-Phosphate), and B2 (Riboflavin 5-Phosphate), along with Benfotiamine for B1. Nutritionists highly recommend these active forms for optimal absorption. It also includes organic whole food blends, probiotics, and adaptogens for a holistic approach to health.
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95 Performance

Mega B-150 Balanced B-Complex

NaturesPlus
4.7
★★★★★
(694 ratings)
This product offers even higher potencies (150mg/mcg for most B vitamins) and critically includes the active, more bioavailable forms of B12 (Methylcobalamin) and Folate (L-5-Methyltetrahydrofolate), which are often preferred by nutritionists for better absorption and efficacy, especially for individuals with MTHFR gene variations. It's a robust and superior formulation.
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90 Performance

High Potency Vitamin B Complex

Lake Avenue Nutrition
4.5
★★★★★
(13990 ratings)
This alternative provides a high-potency B-complex featuring active forms of B12 (Methylcobalamin) and Folate (6S)-5-Methyltetrahydrofolic Acid, Glucosamine Salt), which offer superior absorption. It also includes both common and active forms of B6 (Pyridoxine Hydrochloride and Pyridoxal 5-Phosphate) and Niacin (Nicotinic Acid and Niacinamide), providing a more complete and bioavailable spectrum compared to the original product.
Other sellers (1)
70 Budget

B-50 Complex

21st Century
4.7
★★★★★
(8505 ratings)
This product offers a full B-complex, similar to the B-100, but with half the potency (50mg/mcg) for most vitamins. It's significantly more cost-effective per serving, making it a good choice for those who need a comprehensive B-complex but prefer lower doses or are on a tighter budget.
Other sellers (2)
65 Budget

B-Complex plus Vitamin C

21st Century
4.7
★★★★★
(26874 ratings)
While notably more affordable per serving, the B vitamin potencies are lower than the B-100 complex. However, it includes a substantial amount of Vitamin C (300mg), which is often beneficial for stress support, making it a practical, inexpensive option for general daily B vitamin support.
Other sellers (2)
60 Budget

B Complex

Sundown
4.7
★★★★★
(18319 ratings)
This is a very cost-effective alternative. It provides a basic B vitamin complex, but at significantly lower potencies compared to the original B-100 product. It's suitable for individuals looking for minimal B vitamin supplementation at the lowest possible cost.
Other sellers (0)
88 Value

B-100

NOW
4.8
★★★★★
(10169 ratings)
This B-100 complex from NOW Foods is a highly reputable and trusted brand known for its quality and value. It offers a comparable full spectrum of B vitamins at 100mg/mcg potencies, including beneficial co-factors like PABA, Inositol, and Choline. It provides excellent overall value, often at a slightly more competitive price per serving than the original product.
Other sellers (4)
85 Value

B-Complex '100'

Solgar
4.7
★★★★★
(29237 ratings)
Solgar is a well-established brand with a strong reputation for high-quality and pure supplements. This B-100 complex provides comprehensive B vitamin support at 100mg/mcg potency for most B vitamins, along with Choline and Inositol. It offers a premium brand experience and trusted formulation at a price point that presents better value per serving than the original product.
Other sellers (3)
78 Value

B 100 Complex

Spring Valley
4.7
★★★★★
(518 ratings)
This product is a direct competitor to the original B-100 complex, offering the same 100mg/mcg potencies for most B vitamins. It provides similar comprehensive B vitamin support to the original product but often at a slightly lower price per serving, making it a marginally better value choice for those seeking a standard B-100 supplement.
Other sellers (0)
98 Performance

B-Complex

Paradise Earth's Blend
4.7
★★★★★
(4900 ratings)
This B-complex excels in bioavailability and comprehensiveness, utilizing active forms of B12 (Methylcobalamin), Folate (L-Methylfolate), B6 (Pyridoxal 5-Phosphate), and B2 (Riboflavin 5-Phosphate), along with Benfotiamine for B1. Nutritionists highly recommend these active forms for optimal absorption. It also includes organic whole food blends, probiotics, and adaptogens for a holistic approach to health.
Other sellers (1)
95 Performance

Mega B-150 Balanced B-Complex

NaturesPlus
4.7
★★★★★
(694 ratings)
This product offers even higher potencies (150mg/mcg for most B vitamins) and critically includes the active, more bioavailable forms of B12 (Methylcobalamin) and Folate (L-5-Methyltetrahydrofolate), which are often preferred by nutritionists for better absorption and efficacy, especially for individuals with MTHFR gene variations. It's a robust and superior formulation.
Other sellers (1)
90 Performance

High Potency Vitamin B Complex

Lake Avenue Nutrition
4.5
★★★★★
(13990 ratings)
This alternative provides a high-potency B-complex featuring active forms of B12 (Methylcobalamin) and Folate (6S)-5-Methyltetrahydrofolic Acid, Glucosamine Salt), which offer superior absorption. It also includes both common and active forms of B6 (Pyridoxine Hydrochloride and Pyridoxal 5-Phosphate) and Niacin (Nicotinic Acid and Niacinamide), providing a more complete and bioavailable spectrum compared to the original product.
Other sellers (1)
flagReport alternatives

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