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B-Complex '100'

Solgar

4.7
★ ★ ★ ★ ★
(24552 ratings)
Vitamin B6 100 mg
Thiamin 100 mg
Vitamin B5 100 mg
Niacin 100 mg
Choline 20 mg
Vitamin B12 100 mcg
Riboflavin 100 mg
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Score 75.0

A popular, high-potency B-complex from a reputable brand, providing significant doses of B vitamins. It's effective for general energy and stress support but uses synthetic, less bioavailable forms of B12 and Folate, and a high dose of B6 which may be problematic for some.

Quantity: 100 Capsule(s)Servings size: 1 Vegetable Capsule(s) (100 servings)
Selected goals:
Other goals:
Energy
Brain Health
Mood Support
General Health
Cognitive Support

Score 75.0

A popular, high-potency B-complex from a reputable brand, providing significant doses of B vitamins. It's effective for general energy and stress support but uses synthetic, less bioavailable forms of B12 and Folate, and a high dose of B6 which may be problematic for some.

Analysis

Solgar B-Complex '100' is formulated to provide comprehensive B vitamin support, with 100mg of most B vitamins (B1, B2, B3, B5, B6) and 100mcg of B12 and Biotin per serving, along with Choline and Inositol. This high dosage is beneficial for individuals with deficiencies or increased metabolic demands due to stress, diet, or certain health conditions. The product has a strong market presence and high review counts, indicating its popularity and perceived effectiveness among users for boosting energy and supporting mood. However, a notable drawback is the reliance on synthetic forms like cyanocobalamin for B12 and an unspecified form of Folate (likely folic acid), which are not as readily utilized by the body as active forms (e.g., methylcobalamin, L-methylfolate), especially for those with MTHFR genetic variations. The Pyridoxine HCl form of Vitamin B6 at 100mg, while common, is a concern for some due to potential nerve issues with prolonged high intake. The ambiguous listing of Niacin (100mg 'Vitamin B3' and 100mg 'Niacinamide') also creates confusion, as 100mg of true nicotinic acid (Vitamin B3) commonly causes a 'niacin flush', though Niacinamide does not.

Pros
  • High potency provides significant amounts of essential B vitamins per serving, ideal for addressing deficiencies.
  • Includes Choline and Inositol, which complement the B-complex for neurological and liver support.
  • Widely popular with a high volume of positive customer reviews, suggesting general user satisfaction and perceived efficacy.
  • Offers 100 servings, providing a long-lasting supply at a competitive price per serving.
Cons
  • Utilizes cyanocobalamin for B12 and an unspecified form of Folate (likely folic acid), which are synthetic and less bioavailable than active forms for some individuals.
  • The 100mg dosage of Pyridoxine HCl (Vitamin B6) can potentially lead to peripheral neuropathy in sensitive individuals with prolonged, consistent use.
  • Ambiguous Niacin ingredient listing could imply 200mg total Niacin, and if containing nicotinic acid, may cause a 'niacin flush'.
Warnings
  • The high concentration of Niacin (Vitamin B3) may cause a temporary, uncomfortable 'niacin flush' (redness, itching, tingling sensation) in some users.
  • Extended use of 100mg Pyridoxine HCl (Vitamin B6) is a high dose that, for certain sensitive individuals, has been associated with peripheral neuropathy symptoms.
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$18.92($0.18 per serving)
Amazon
$ 18.92
iHerb
$ 18.92
Vitacost
$ 20.19
Daily Vita
$ 22.27
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Effectiveness for goals

Dosage, timing & forms

Safety & interactions

Ingredients

IngredientAmount per serving
Thiamine
100 mg
Riboflavin
100 mg
Niacin
100 mg
Vitamin B6
100 mg
Folate
666 mcg DFE
Vitamin B12
100 mcg
Biotin
100 mcg
Pantothenic Acid
100 mg
Choline
20 mg
Inositol
100 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Halal Vegetarian
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Categories

Offers a robust 100mg dose of Thiamine (Vitamin B1) as Thiamine Mononitrate, which is a common and effective form. This high amount strongly supports energy metabolism and nervous system function.
Provides 100mg of Riboflavin (Vitamin B2), a significant dose that effectively supports energy production, cellular growth, and vision. This is a well-regarded and standard form of the vitamin.
Delivers 100mg of Pantothenic Acid (Vitamin B5) as D-Calcium Pantothenate. This high dose is excellent for supporting adrenal function and stress response, making it a strong component of the complex.

Goals

B vitamins are central to cellular energy production and macronutrient metabolism. The generous '100' potency across multiple B vitamins directly supports increased energy levels and a robust metabolic rate, effectively targeting this primary goal.
As coenzymes, B vitamins are indispensable for the efficient metabolism of carbohydrates, fats, and proteins, converting them into usable energy. The '100' dose of key B vitamins provides ample support for optimizing metabolic processes, aiding in nutrient utilization.
As a broad-spectrum B-complex, this product contributes to numerous vital bodily functions, including cellular processes, nerve function, and red blood cell formation, making it a valuable supplement for overall well-being. However, the choice of less bioavailable forms prevents it from being a top-tier option for comprehensive general health optimization.
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