B-Complex '100'
Solgar
B-Complex '100'
4.7
★ ★ ★ ★ ★
(15200 ratings)
Vitamin B6 100 mg
Vitamin B5 100 mg
Choline 20 mg
Vitamin B12 100 mcg
Riboflavin 100 mg
Thiamin 100 mg
Niacin 100 mg
Score 85.0
A very high-potency B-complex from a trusted brand, delivering substantial amounts of essential B vitamins along with inositol and choline, aimed at supporting energy and nervous system health. It uses standard B vitamin forms and offers exceptional value for money.
Quantity: 250 Capsule(s)Servings size: 1 Vegetable Capsule(s) (250 servings)
Selected goals:
Other goals:
Energy
Brain Health
Mood Support
General Health
Skin Health
leaderboard Score 85.0
A very high-potency B-complex from a trusted brand, delivering substantial amounts of essential B vitamins along with inositol and choline, aimed at supporting energy and nervous system health. It uses standard B vitamin forms and offers exceptional value for money.
insights Analysis
This Solgar B-Complex '100' product, similar to the other '100' variant (id: 161448), provides extremely high dosages for several B vitamins, with B1, B3, B5 listed at 200mg each (summing forms) and B2, B6, B12, and Biotin at 100mg/mcg. The primary difference appears to be a slightly lower choline content (20mg vs 41mg in id 161448) and the absence of the 'Herbal Powdered Blend'. It is designed for comprehensive support across energy, brain, mood, and metabolic health. As with the other Solgar B-complexes, it uses cyanocobalamin for B12 and folic acid for folate, which are not the most bioavailable forms for everyone, a point often highlighted by nutritionists.
- Comprehensive profile of B vitamins, inositol, and choline.
- Very high potencies for key B vitamins (B1, B3, B5 are 200mg; B2, B6, B12, Biotin are 100mg/mcg), beneficial for addressing significant deficiencies.
- Exceptional value per serving due to the large quantity (250 servings) and competitive pricing for the potency.
- Comes from Solgar, a widely recognized and trusted brand with a good reputation for quality and efficacy.
- The extremely high dosages for some B vitamins (e.g., 200mg B1, B3, B5) might be supra-physiological for many, leading to unnecessary excretion.
- Uses less bioavailable forms of B12 (Cyanocobalamin) and Folate (Folic Acid) compared to active forms like Methylcobalamin and L-Methylfolate, which may not be ideal for all users.
- Lower choline content (20mg) compared to the other '100' product (id 161448), which might be a minor drawback for those prioritizing choline intake.
- High doses of Niacin (B3) can cause the characteristic 'niacin flush' reaction (redness, itching, warmth) due to vasodilation.
- Pyridoxine Hydrochloride (B6) at consistently very high doses (e.g., >200mg/day long-term) has been associated with peripheral neuropathy; users should be mindful of intake from all sources.
- Always consult a healthcare professional before starting high-dose vitamin supplementation to ensure it is appropriate for your individual needs and to avoid potential interactions.
$25.94($0.10 per serving)
 Amazon | $ 25.94 | |
 iHerb | $ 42.09 | |
 Vitacost | $ 44.24 | |
 Daily Vita | $ 48.67 |
bolt Effectiveness for goals
B-complex vitamins are essential for numerous bodily functions. They play a crucial role in cellular metabolism, energy production, and the health of the nervous system. Supplementing may help ensure adequate intake to support these vital processes.
Vitamin B12 and Folate are vital for red blood cell formation and DNA synthesis. They also work together to support neurological function and help maintain healthy homocysteine levels. These roles are critical for overall cellular health.
Biotin, also known as Vitamin B7, is involved in metabolism of carbohydrates, fats, and proteins. It plays a role in energy production and is often recognized for its contribution to the maintenance of healthy hair, skin, and nails.
Thiamine (B1) is essential for carbohydrate metabolism and nerve function. Riboflavin (B2) is critical for energy production, cellular growth, and the metabolism of fats and drugs. Both are fundamental coenzymes in various metabolic pathways.
Niacin (B3) is involved in over 200 enzymatic reactions, primarily supporting energy metabolism and DNA repair. Pantothenic Acid (B5) is crucial for the synthesis of coenzyme A, which is vital for the metabolism of fats, carbohydrates, and proteins, and the synthesis of hormones.
schedule Dosage, timing & forms
B-complex supplements frequently contain doses higher than the Recommended Daily Allowance (RDA) because B vitamins are water-soluble and are not extensively stored in the body. Excess amounts are typically excreted through urine. Higher potencies are sometimes chosen to address specific nutritional needs or to support individuals with higher metabolic demands.
Many individuals prefer to take B vitamin supplements in the morning, often with a meal. This timing aligns with their role in energy metabolism, potentially supporting daily energy levels. However, consistency in taking the supplement is generally more important than the exact time of day.
Taking B vitamin supplements with food is generally recommended. Food can help mitigate the potential for mild stomach upset that some individuals may experience. It can also enhance the absorption and bioavailability of certain B vitamins.
Niacinamide is a specific form of Niacin (Vitamin B3). While both are sources of Vitamin B3, Niacinamide is often chosen for supplements because it typically does not cause the 'niacin flush' – a temporary redness, warmth, and itching sensation – associated with nicotinic acid, another common form of Niacin. Both forms contribute to overall B3 intake.
DFE stands for Dietary Folate Equivalents, a unit that accounts for the differing bioavailability of various forms of folate. This measure helps standardize the amount of folate absorbed, recognizing that synthetic folic acid (often in supplements) is more readily absorbed than naturally occurring folates found in foods. It ensures accurate comparison of intake from different sources.
health_and_safety Safety & interactions
Some B vitamins, especially at higher doses, can interact with certain medications. For instance, Vitamin B6 may affect drugs for Parkinson's disease, and folate can interact with some anticonvulsants. It is always advisable to consult a healthcare professional regarding potential interactions with any medications you are taking.
Common side effects of B-complex supplements are generally mild and may include bright yellow urine, which is harmless, or mild digestive upset. Less commonly, skin flushing may occur due to niacin content. If any adverse reactions are experienced, it's recommended to discontinue use and consult a healthcare provider.
Chronic intake of very high doses of Vitamin B6, typically above 200 mg daily over an extended period, has been associated with peripheral neuropathy. This condition involves symptoms like numbness or tingling in the hands and feet. Given this supplement contains 100mg of Vitamin B6, long-term monitoring for such effects may be prudent.
While B vitamins are essential during pregnancy and breastfeeding, the high potency of certain supplements requires caution. It is crucial to consult with a healthcare professional before use to ensure appropriate dosing and safety for both mother and baby. They can advise on specific needs and recommended daily allowances.
This supplement contains Niacin in both a general Vitamin B3 form and Niacinamide. While Niacinamide is less likely to cause a flush, the presence of other forms of Niacin (Vitamin B3) might still lead to temporary skin reddening, warmth, itching, or tingling. This reaction is generally harmless and typically subsides over time.
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 | 20 mg |
Inositol | 100 mg |
Categories
Thiamin 95.0
Contains 200mg of Thiamine (from Vitamin B1 and Thiamine Mononitrate), an extremely high potency that ensures comprehensive support for energy production, carbohydrate metabolism, and nerve function, making it highly effective.
Vitamin B5 95.0
Delivers 200mg of Pantothenic Acid (from Vitamin B5 and D-Calcium Pantothenate), an exceptionally high dose that is highly effective for adrenal gland function, stress management, and coenzyme A production, making it a standout component.
Niacin 90.0
Delivers 200mg of Niacin (from Niacinamide and Vitamin B3), an exceptionally high dose that strongly supports energy metabolism, cholesterol regulation, and nervous system health. Users should be aware of potential transient niacin flush effects.
Goals
Metabolism Boost 95.0
B vitamins are fundamental coenzymes for countless metabolic reactions in the body, and the extremely high dosages in this product ensure maximum support for efficient nutrient utilization and energy production, making it highly effective for metabolism.
Energy 90.0
The very high doses of all B vitamins, crucial for converting food into cellular energy, provide robust support for combating fatigue and maintaining high energy levels throughout the day.
General Health 90.0
Its comprehensive and highly potent B vitamin profile makes it an excellent supplement for maintaining overall physiological balance and preventing deficiencies that can impact various body systems, contributing to broad health benefits.
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