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Complete B 100 mg

Natural Factors
4.7
★ ★ ★ ★ ★
(1291 ratings)
Biotin 300 mcg
Choline 84 mg
Niacin 100 mg
Riboflavin 100 mg
Thiamin 100 mg
Vitamin B5 100 mg
PABA 100 mg
Product Image
Score 82

Natural Factors Complete B 100 mg is a high-potency B-complex, featuring 100mg/mcg of most B vitamins, with significantly higher biotin, choline, inositol, and PABA for broad and intensive daily support.

How scoring works
scaleQuantity:90 Tablet(s) • (90 servings)
track_changesGoals:
flag Energy
flag Metabolism Boost
flag Brain Health
flag Cognitive Support
flag Hair Health
flag Mental Focus
flag Mood Support
flag Nail Health

leaderboard Score 82

Natural Factors Complete B 100 mg is a high-potency B-complex, featuring 100mg/mcg of most B vitamins, with significantly higher biotin, choline, inositol, and PABA for broad and intensive daily support.

How scoring works
$17.39($0.19 per serving)
Vitacost
$ 17.39
Amazon
$ 18.87
iHerb
$ 18.87
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psychologyAnalysis

This Natural Factors Complete B 100 mg complex offers a high-potency blend, with most B vitamins delivered at 100mg or 100mcg, making it suitable for those with elevated daily demands. It features a notable 300mcg of Biotin and a robust 84mg of Choline, along with 100mg of Inositol and PABA, providing comprehensive support beyond just the core B vitamins.

This formulation is crafted to contribute to strong energy metabolism, nervous system health, and overall cellular vitality. It's particularly fitting for individuals seeking intensive B vitamin support, especially if they are also interested in higher levels of biotin for hair/skin/nail support or more choline for cognitive and liver health. The well-rounded ingredient profile supports broad physiological functions.

thumb_upPros
  • High potency (100mg/mcg for most B vitamins).
  • Significantly high Biotin (300mcg) and Choline (84mg).
  • Comprehensive blend with Inositol, PABA, and Calcium.
  • Good for intensive daily support.
thumb_downCons
  • Uses standard (non-methylated/coenzyme) forms for B12 and Folate.
  • Tablet form may not be preferred by all.
warningWarnings
  • High doses of certain B vitamins can cause interactions with medications or specific health conditions; consult a healthcare professional.
  • B vitamins can cause urine to turn a bright yellow color, which is normal.
  • Consult a healthcare professional if pregnant, nursing, taking medication, or have a medical condition.
scienceNutrient quality
75 High impact

This complex provides high doses of effective, common forms of B vitamins. The inclusion of substantial Biotin, Choline, and PABA is a plus. While standard B12 and folate forms are used, the overall balance and quantity of nutrients are impressive.

visibilityIngredient transparency
80 Highest impact

The ingredient list clearly details the specific form and quantity of each B vitamin and additional nutrient, including the sources of calcium, providing thorough information to consumers.

workspace_premiumValue for money
78 High impact

For a B-100 complex that includes amplified doses of key supporting nutrients like biotin and choline, the $0.19 per serving offers strong value. It provides intensive support without an excessive price tag.

thumb_upCustomer satisfaction
78 High impact

With over 1200 reviews, this product shows solid customer satisfaction, indicating that users appreciate its higher potency and comprehensive blend.

storefrontBrand
70 High impact

Natural Factors is a well-regarded brand with a long history in the natural health sector, known for providing a variety of supplements. This reputation suggests a level of trust.

flagReport analysis
track_changesGoals
flagGeneral Health
Impact
Highest effect
This highly comprehensive and potent B-complex offers exceptional support for a vast array of bodily functions, making it a superior foundation for maintaining overall health and well-being, especially for those with elevated nutritional needs.
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flagEnergy
Impact
Highest effect
The 100mg doses of most B vitamins provide very strong support for the body's metabolic pathways that convert food into energy, which can be highly beneficial for sustained vitality.
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flagMetabolism Boost
Impact
Highest effect
With 100mg of nearly all B vitamins, this product provides extensive cofactors for efficient macronutrient metabolism, aiding in the breakdown of carbohydrates, fats, and proteins for energy, leading to robust metabolic support.
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flagCognitive Support
Impact
Highest effect
High levels of B vitamins, especially with 84mg of choline and 100mg of inositol, offer substantial support for neurotransmitter production, brain cell function, and overall cognitive health.
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flagBrain Health
Impact
Highest effect
The combination of high-potency B vitamins with substantial doses of choline and inositol provides comprehensive support for brain cell function, neurotransmitter health, and overall neurological well-being.
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flagMood Support
Impact
Highest effect
The robust B vitamin profile, alongside choline and inositol, can significantly contribute to nervous system balance and the synthesis of mood-regulating compounds, offering enhanced mood support.
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flagMental Focus
Impact
Highest effect
By providing strong support for nervous system function, neurotransmitter production (with choline and B vitamins), and energy metabolism, this complex can effectively contribute to improved mental clarity, concentration, and sustained focus.
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flagHair Health
Impact
Highest effect
The notably high 300mcg of Biotin, combined with other B vitamins, offers strong specific support often sought for hair, skin, and nail health, beyond general B-complex benefits.
View goal →
scienceIngredients
IngredientAmount per serving
Thiamine
100 mg
Riboflavin
100 mg
Niacin
100 mg
Vitamin B6
100 mg
Folate
680 mcg DFE
Vitamin B12
100 mcg
Biotin
300 mcg
Pantothenic Acid
100 mg
Choline
84 mg
Calcium
80 mg
Inositol
100 mg
Para-Aminobenzoic Acid
100 mg
grain_off Gluten Free person Adults 18–50 eco Vegan free_breakfast Dairy Free eco Vegetarian
flagReport overview
Biotin 85
Includes a significant 300mcg of Biotin, which is a standout feature for those prioritizing support for hair, skin, and nail health, alongside its metabolic roles.
scienceView ingredientinventory_2View products
Choline 85
Offers a substantial 84mg of Choline Bitartrate, providing enhanced support for liver function, brain health, and neurotransmitter synthesis compared to many other complexes.
scienceView ingredientinventory_2View products
Niacin 80
Features 100mg of Niacinamide, a well-tolerated form of B3, offering robust support for energy metabolism and cellular signaling without the flush.
scienceView ingredientinventory_2View products
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