B-Complex '100'
Solgar
B-Complex '100'
4.7
★ ★ ★ ★ ★
(446 ratings)
Niacin 100 mg
Choline 41 mg
Riboflavin 100 mg
Vitamin B12 100 mcg
Vitamin B5 100 mg
Vitamin B6 100 mg
Thiamin 100 mg
Score 85.0
A highly potent B-complex from a reputable brand, offering substantial doses of most B vitamins, plus choline and inositol, to support energy and overall wellness. It provides great value but uses conventional forms of some B vitamins which may not be ideal for everyone.
Quantity: 250 Tablet(s)Servings size: 1 Tablet(s) (250 servings)
Selected goals:
Other goals:
Mood Support
Stress Relief
Brain Health
Heart Health
Skin Health
leaderboard Score 85.0
A highly potent B-complex from a reputable brand, offering substantial doses of most B vitamins, plus choline and inositol, to support energy and overall wellness. It provides great value but uses conventional forms of some B vitamins which may not be ideal for everyone.
insights Analysis
This B-Complex product from Solgar aims to provide comprehensive B vitamin support for a wide range of health goals, including energy, brain health, metabolism, and stress relief. The formulation features exceptionally high dosages for several B vitamins, specifically B1, B3, and B5 listed as 200mg each when summing the listed forms, and 100mg for B2, B6, B12, and Biotin. This '100' in the product name is somewhat misleading as it implies 100mg of each B vitamin, whereas the ingredient breakdown suggests higher amounts for several, which might be more than some individuals require daily unless specifically recommended by a healthcare professional. The use of cyanocobalamin for B12 and folic acid for B9 are standard but less bioavailable forms compared to methylcobalamin and L-methylfolate, respectively, which some nutritionists and consumers prefer for optimal absorption.
- Comprehensive blend of B vitamins, choline, and inositol.
- Very high potencies for key B vitamins (B1, B3, B5 are 200mg; B2, B6, B12, Biotin are 100mg/mcg).
- Large quantity (250 servings) offers excellent value per serving.
- Solgar is a reputable brand often recommended by nutritionists for quality.
- Excessively high doses for some B vitamins (e.g., 200mg B1, B3, B5) may be unnecessary for many individuals.
- Uses Cyanocobalamin (B12) and Folic Acid (Folate), which are generally less bioavailable than active forms like Methylcobalamin and L-Methylfolate.
- Contains a minimal 'Herbal Powdered Blend' (2.5mg), which is unlikely to provide significant therapeutic benefits.
- High doses of Niacin (B3) can cause the 'niacin flush' reaction (redness, itching, warmth) in sensitive individuals.
- Pyridoxine Hydrochloride (B6) at consistently very high doses (e.g., >200mg/day long-term) has been associated with peripheral neuropathy, though 100mg is generally considered safe for most.
- Always consult a healthcare professional before taking high-potency supplements, especially if you have pre-existing conditions.
$40.16($0.16 per serving)
 iHerb | $ 40.16 | |
 Daily Vita | $ 42.74 |
bolt Effectiveness for goals
B vitamins are essential for various bodily functions, including energy metabolism, nervous system health, and red blood cell formation. A complete B vitamin complex helps ensure adequate intake of these nutrients, supporting overall wellness. They play interconnected roles in cellular processes.
B vitamins act as coenzymes in numerous metabolic pathways that convert food into energy. For example, Thiamine, Riboflavin, Niacin, and Pantothenic Acid are crucial for breaking down carbohydrates, fats, and proteins. They do not provide energy directly but facilitate its release from food.
Yes, several B vitamins are vital for the nervous system. Vitamin B6, B12, and Folate contribute to neurotransmitter synthesis and nerve cell maintenance. They are also involved in the formation of myelin, the protective sheath around nerves.
Folate and Vitamin B12 work together in several critical processes, including DNA synthesis and red blood cell formation. They are also essential for the methionine cycle, which is important for neurological function. A deficiency in one can sometimes mask a deficiency in the other.
Biotin is often recognized for its role in the health of skin, hair, and nails, especially in cases of deficiency. It is a coenzyme for carboxylase enzymes, which are involved in fatty acid synthesis and glucose metabolism. While evidence for benefits in healthy individuals is less robust, it is a popular supplement for these uses.
schedule Dosage, timing & forms
Many B vitamins are water-soluble and can be taken with or without food. However, taking B-complex supplements with food can help minimize the potential for stomach upset that some individuals might experience. It may also aid in the absorption of certain nutrients.
Many individuals prefer to take B-complex vitamins in the morning. This is because B vitamins play a role in energy metabolism and can potentially interfere with sleep if taken later in the day by some sensitive individuals. Consistency in timing is generally more important than the exact time of day.
A common daily dose for a B-complex supplement often provides 100% or more of the Daily Value (DV) for several individual B vitamins. Products labeled 'B-Complex 100' typically contain 100 milligrams (mg) or 100 micrograms (mcg) of most B vitamins. Dosages can vary significantly based on individual needs and specific product formulations.
While B vitamins are water-soluble and excess amounts are generally excreted, very high doses of certain individual B vitamins may lead to specific effects. For example, extremely high doses of Niacin can cause a 'flush,' and excessive Vitamin B6 has been linked to nerve damage in rare cases. It is always important to adhere to label instructions and consult a healthcare professional for personalized guidance.
DFE stands for Dietary Folate Equivalents. It is a unit of measure established to account for the difference in absorption of naturally occurring food folate versus folic acid (the synthetic form). 1 mcg DFE is equal to 1 mcg of food folate or 0.6 mcg of folic acid from supplements or fortified foods when consumed with a meal.
health_and_safety Safety & interactions
B vitamins are water-soluble, meaning the body typically excretes excess amounts through urine. While generally considered safe, very high doses of certain B vitamins can pose risks. It's always advisable to adhere to recommended daily allowances or consult a healthcare professional.
Yes, it is common for individuals taking B vitamin supplements, especially those containing Riboflavin (Vitamin B2), to notice their urine becoming a bright, fluorescent yellow. This effect is harmless and occurs as the body excretes excess Riboflavin. It is a normal indication that the body is processing the vitamins.
While some forms of Niacin (Vitamin B3), specifically nicotinic acid, can cause a temporary skin flushing, supplements typically containing Niacinamide are less likely to induce this effect. The 'niacin flush' is characterized by redness, warmth, tingling, or itching of the skin. If experiencing this, it is usually temporary and benign.
Yes, certain B vitamins can interact with prescription medications. For example, Vitamin B6 may interfere with some Parkinson's disease medications, and Folate can interact with certain anti-epileptic drugs or methotrexate. It is important to discuss all supplements with a healthcare provider, especially if taking prescription drugs.
Long-term intake of extremely high doses of Vitamin B6 (pyridoxine) can lead to peripheral neuropathy, characterized by nerve damage resulting in numbness, tingling, and pain in the hands and feet. This risk is generally associated with doses significantly above the Tolerable Upper Intake Level. Always follow recommended dosages.
Ingredients
| Ingredient | Amount 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 | 41 mg |
Inositol | 100 mg |
Herbal Powdered Blend | 2.5 mg |
Categories
Thiamin 95.0
Contains 200mg of Thiamine (from Vitamin B1 and Thiamine Mononitrate), an exceptionally high dose that is highly effective for energy production and nervous system health, exceeding typical daily requirements for comprehensive support.
Vitamin B5 95.0
Delivers 200mg of Pantothenic Acid (from Vitamin B5 and D-Calcium Pantothenate), an exceptionally high dose that is highly beneficial for adrenal function, stress management, and coenzyme A production, making it a very strong contributor.
Niacin 90.0
Delivers 200mg of Niacin (from Niacinamide and Vitamin B3), which is a very high and effective dose for supporting energy metabolism and cardiovascular health, though the Niacinamide form can still cause some mild flushing for sensitive individuals.
Goals
Metabolism Boost 95.0
B vitamins are fundamental coenzymes in nearly every metabolic process, from carbohydrate and fat breakdown to protein synthesis. The exceptionally high doses provided here ensure robust support for metabolic efficiency and nutrient utilization.
Energy 90.0
B vitamins are crucial for converting food into energy, and this product provides very high doses of all key B vitamins necessary for metabolic processes, offering robust support for energy levels throughout the day.
General Health 90.0
A broad spectrum of highly dosed B vitamins covers many essential physiological functions, making it a strong foundational supplement for overall well-being, supporting everything from cellular energy to nervous system function and preventing common deficiencies.
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