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B-100 Complex

21st Century
4.7
★ ★ ★ ★ ★
(4864 ratings)
Niacin 100 mg
Riboflavin 100 mg
Thiamin 100 mg
Vitamin B5 100 mg
Vitamin B6 100 mg
Product Image
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>

How scoring works
scaleQuantity:60 Tablet(s) • (60 servings)
track_changesGoals:
flag Energy
flag Metabolism Boost
flag Bone Health
flag Brain Health
flag Cognitive Support
flag Productivity Boost
flag Mental Focus
flag Mood Support

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>

How scoring works
$9.49($0.15 per serving)
iHerb
$ 9.49
Pure Formulas
$ 10.06
flagReport prices
psychologyAnalysis

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.
scienceNutrient quality
70 High impact

While providing high potencies, the B12 and B6 forms are standard and not the more active forms that some individuals might prefer. The calcium forms are also basic.

visibilityIngredient transparency
75 High impact

The label clearly details the specific forms and amounts of each B vitamin and calcium, ensuring consumers know what they are consuming.

workspace_premiumValue for money
88 Highest impact

This product delivers a high-potency B vitamin complex plus calcium at a remarkably low price point per serving. It's a very cost-effective way to get substantial daily B vitamin support.

thumb_upCustomer satisfaction
78 High impact

With nearly 5000 reviews, the product shows broad acceptance and general satisfaction among a large user base. It meets the expectations for an affordable high-potency B-complex.

storefrontBrand
60 Moderate impact

21st Century is recognized for producing cost-effective supplements, making this B-100 complex an accessible option for many consumers. The brand focuses on affordability.

flagReport analysis
track_changesGoals
flagEnergy
Impact
Highest effect
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.
View goal →
flagGeneral Health
Impact
Highest effect
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.
View goal →
flagMetabolism Boost
Impact
High effect
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.
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flagCognitive Support
Impact
High effect
The higher doses of B vitamins like B6, B12, and Folate in this complex are key for neurological function and may offer stronger support for cognitive clarity and focus. These nutrients are vital for brain health.
View goal →
flagBone Health
Impact
High effect
The inclusion of 160mg of Calcium provides a noticeable contribution to daily calcium intake, supporting the maintenance of strong bones. It complements the B vitamin profile by addressing a common mineral need.
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flagBrain Health
Impact
High effect
The higher potencies of B6, B12, and Folate in this complex are particularly beneficial for brain health, supporting nerve function and cognitive processes more robustly. It offers enhanced nutritional support for the brain.
View goal →
flagProductivity Boost
Impact
High effect
By offering strong support for energy metabolism and enhanced cognitive function, this B-100 complex can more effectively contribute to sustained mental energy and focus, potentially boosting productivity throughout the day.
View goal →
flagMood Support
Impact
High effect
With elevated levels of B vitamins, this complex can provide more substantial support for neurotransmitter synthesis and nervous system health, potentially contributing to better mood regulation. It supports the body's natural processes related to emotional well-being.
View goal →
scienceIngredients
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
flagReport overview
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.
scienceView ingredientinventory_2View products
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.
scienceView ingredientinventory_2View products
Riboflavin 80
Provides 100mg of Riboflavin (Vitamin B2), which is essential for energy production and cellular growth. This higher dose can offer enhanced support.
scienceView ingredientinventory_2View products
inventory_2Alternative products
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B-100

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B-Complex '100'

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B-100 Complex with B2 Coenzyme

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Coenzyme B-Complex Advanced

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Fully Active B Complex with Quatrefolic

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4.7
★★★★★
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B-Complex with Folic Acid plus Vitamin C

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B-100

NOW
4.8
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(10262 ratings)
This B-100 complex offers a similar high potency of B vitamins as your current product, but with added choline, inositol, and PABA, which can provide more comprehensive support for energy and mental well-being, all at a more economical price per serving.
Other sellers (4)
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B-Complex '100'

Solgar
4.7
★★★★★
(29625 ratings)
From a well-regarded brand, this B-100 complex delivers potent B vitamin doses similar to your current product, but with additional choline and inositol for enhanced cognitive and nervous system support, at a slightly more favorable cost per serving.
Other sellers (3)
78 Value

B-100

NOW
4.8
★★★★★
(10262 ratings)
This B-100 complex offers a more comprehensive blend of B vitamins, including choline, inositol, and PABA, which are often beneficial for nerve and cognitive health. It provides a superior formulation at a more economical price per serving compared to your current option.
Other sellers (4)
78 Value

B-Complex '100'

Solgar
4.7
★★★★★
(29625 ratings)
Providing equivalent B-100 potency, this Solgar product enhances the blend with choline and inositol, which may further support brain and nervous system function. It's a well-rounded option that delivers better quality for a slightly reduced cost per serving.
Other sellers (3)
82 Value

B-100 Complex with B2 Coenzyme

Nature's Way
4.7
★★★★★
(1068 ratings)
This alternative offers a notable upgrade by including coenzymated forms of B2 and B6, which are more readily available for the body's processes. This enhanced bioavailability supports energy and metabolism more efficiently, making it a strong value despite a moderate increase in cost.
Other sellers (3)
93 Performance

PureGenomics B-Complex

Pure Encapsulations
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★★★★★
(17 ratings)
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Other sellers (0)
92 Performance

Coenzyme B-Complex Advanced

Country Life
4.8
★★★★★
(3150 ratings)
Featuring coenzymated B vitamins, this product offers superior absorption and utilization, making it highly effective for energy production and nervous system health. The inclusion of benfotiamine and PQQ provides additional support for cellular vitality and antioxidant defense.
Other sellers (1)
92 Performance

Fully Active B Complex with Quatrefolic

Doctor's Best
4.7
★★★★★
(23057 ratings)
With activated forms such as methylcobalamin and Quatrefolic, this B-complex ensures that your body can efficiently use these essential nutrients for sustained energy, mental clarity, and overall well-being. It represents a significant upgrade in ingredient quality.
Other sellers (2)
flagReport alternatives

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