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B-Complex with Rice Bran

NaturesPlus Source of Life Garden
4.8
★ ★ ★ ★ ★
(8227 ratings)
Niacin 50 mg
PABA 10 mg
Choline 50 mg
Thiamin 10 mg
Riboflavin 10 mg
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Score82
Active folate and B12 make this a sensible everyday B-complex, with modest choline and basic supporting forms as the main limits.
How scoring works
Quantity:90 Tablet(s) • (90 servings)
Goals:
Energy

Score 82

Active folate and B12 make this a sensible everyday B-complex, with modest choline and basic supporting forms as the main limits.
How scoring works
$11.01($0.12 per serving)
Pure Formulas
$ 11.01
iHerb
$ 11.01
Amazon
$ 12.95
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Analysis

Methylfolate and methylcobalamin are notable strengths because they provide ready-to-use forms at moderate amounts. Thiamine, riboflavin, niacinamide, vitamin B6, biotin, and pantothenic acid complete the core B-vitamin panel.

The 10 mg B6 amount is much more restrained than high-potency B-50 or B-100 products, though it still deserves attention when combined with other supplements. Choline and inositol reach only 50 mg each, while PABA at 10 mg adds little practical energy support.

The formula works best as affordable daily B-vitamin coverage rather than a strong choline or specialty nutrient product. Clear active folate and B12 forms distinguish it from many similarly priced basic complexes.

Who is it for
  • Adults seeking an affordable B-complex with methylfolate and methylcobalamin
  • People who prefer moderate rather than extreme B-vitamin amounts
  • Users wanting simple daily energy-metabolism support
Best for
  • Practical everyday B-vitamin coverage
  • Active folate and vitamin B12 forms
  • Moderate-dose support for normal energy metabolism

Pros

  • Uses calcium L-5-methyltetrahydrofolate
  • Provides methylcobalamin vitamin B12
  • Includes all core B vitamins
  • Avoids an extreme vitamin B6 dose

Cons

  • Choline is modest and unlikely to meet focused needs
  • Pyridoxine hydrochloride is not the active B6 form
  • PABA and inositol are small supporting additions
  • No meaningful mineral or broader energy-active coverage

Warnings

  • The 10 mg vitamin B6 amount should be counted with other supplements to avoid excessive long-term exposure.
  • Niacinamide at 50 mg may cause nausea or stomach discomfort in sensitive users.
  • PABA can interfere with sulfonamide antibiotics, so concurrent use should be reviewed with the prescriber.

Nutrient quality

85 Highest impact

Active folate and B12 forms strengthen an otherwise practical B-vitamin pattern. Moderate amounts and a focused ingredient list support better balance than many high-potency formulas.

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Ingredient transparency

76 High impact

Active amounts are clear and no blend hides the formula. Minor naming ambiguity, missing directions, and absent tablet ingredients are the main gaps.

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Customer satisfaction

73 High impact

The aggregate satisfaction signal is exceptionally strong and supported by extensive volume. Missing review details prevent assessment of recurring complaints or purpose fit.

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Value for money

96 Highest impact

Favorable folate and B12 forms come at excellent serving value. Moderate dosing and a focused formula compare very well with high-potency alternatives.

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Goals

Impact
High effect
B Goal FitC- Strength of SupportD+ CoverageB Formula Quality
Vitamin B5 · 15 mgRiboflavin · 10 mgThiamin · 10 mgVitamin B12 · 10 mcg

A broad B-complex supports normal conversion of food into cellular energy, with active folate and methylcobalamin as favorable forms. Thiamine, riboflavin, and pantothenic acid are maintenance-oriented rather than high-potency.

B12 is only 10 mcg, far below the preferred energy threshold. Choline, inositol, and PABA are also modest and do not create a meaningful second pathway.

Study evidence
Riboflavin Mixed 6 studies
Thiamin Disputed 12 studies

Ingredients

IngredientAmount per serving
Thiamine (Thiamine Hydrochloride, Vitamin B1)
10 mg
Riboflavin (Vitamin B2)
10 mg
Niacin (Niacinamide)
50 mg
Vitamin B6 (Pyridoxine Hydrochloride)
10 mg
Folate (Calcium L-5-Methyltetrahydrofolate)
167 mcg DFE
Vitamin B12 (Methylcobalamin)
10 mcg
Biotin
20 mcg
Pantothenic Acid (Calcium Pantothenate)
15 mg
Choline (Choline Bitartrate)
50 mg
Inositol
50 mg
Para-Aminobenzoic Acid
10 mg
Gluten Free Adults 18–50 No Allergies Vegetarian
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Niacin (Niacinamide) · 50 mg OverallScore80
B- Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value

The B-complex supplies clearly identified niacinamide alongside a broad set of B vitamins. Its amount fits a general multivitamin-style formula, while the hard-pressed tablet has no stated release technology. The broad active profile offers solid value for routine nutritional support rather than targeted cardiovascular niacin use.

PABA · 10 mg OverallScore72
A Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyD- Value

Clearly labeled PABA provides a low amount with limited PABA impact. Immediate release is appropriate for this lower nutritional dose. The broader B-complex may add utility, but the PABA contribution is small and costly.

B Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyD+ Value

Choline bitartrate is clearly identified, but the 50 mg amount is modest and functions mainly as part of a B-complex. One tablet keeps daily use convenient. The low serving cost improves value, although the amount remains small for a dedicated choline goal.

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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Physicochemical properties of and volatile compounds in riboflavin fortified cloudy apple juice; study of its effect on job fatigue among Egyptian construction workers.
    Fouad S; Ibrahim GE; Hussein AMS; Ibrahim FA; El Gendy A · Heliyon · 2021
    Non-randomized trialEnergy forRiboflavin
  2. Vitamin B status in patients with chronic fatigue syndrome.
    Heap LC; Peters TJ; Wessely S · Journal of the Royal Society of Medicine · 1999
    Case-control study30 participantsEnergy forRiboflavin
  3. B-vitamins, related vitamers, and metabolites in patients with quiescent inflammatory bowel disease and chronic fatigue treated with high dose oral thiamine.
    Bager P; Hvas CL; Hansen MM; Ueland P; Dahlerup JF · Molecular medicine (Cambridge, Mass.) · 2023
    Observational studyEnergy forRiboflavin
  4. Metabolic features of chronic fatigue syndrome.
    Naviaux RK; Naviaux JC; Li K; Bright AT; Alaynick WA; Wang L; Baxter A; Nathan N; Anderson W; Gordon E · Proceedings of the National Academy of Sciences of the United States of America · 2024
    Case-control study84 participantsEnergy forRiboflavin
  5. Effectiveness of Riboflavin in Inherited Metabolic Diseases: A Systematic Review
    Bregje Jaeger, Nina N Stolwijk, Femke Aaldering, Charlotte A Ruys, Marije Smits, Nicole I Wolf, Carla E M Hollak, Annet M Bosch · Journal of Inherited Metabolic Disease · 2026
    Systematic review381 studies pooledEnergy forRiboflavin
  6. Influence of thiamin supplementation on the health and general well-being of an elderly Irish population with marginal thiamin deficiency.
    Smidt LJ; Cremin FM; Grivetti LE; Clifford AJ · Journal of gerontology · 1991
    Randomized trial80 participantsEnergy forThiamin
  7. Randomised clinical trial: high-dose oral thiamine versus placebo for chronic fatigue in patients with quiescent inflammatory bowel disease.
    Bager P; Hvas CL; Rud CL; Dahlerup JF · Alimentary pharmacology & therapeutics · 2021
    Randomized trial40 participantsEnergy forThiamin
  8. Dietary reference values for thiamin.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA); Turck D; Bresson JL; Burlingame B; Dean T; Fairweather-Tait S; Heinonen M; Hirsch-Ernst KI; Mangelsdorf I; McArdle HJ; Naska A; Nowicka G; Pentieva K; Sanz Y; Siani A; Sjödin A; Stern M; Tomé D; Van Loveren H; Vinceti M; Willatts P; Lamberg-Allardt C; Przyrembel H; Tetens I; Gudelj Rakic J; Ioannidou S; de Sesmaisons-Lecarré A; Forss AC; Neuhäuser-Berthold M · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusEnergy forThiamin
  9. Effects of thiamine supplementation on exercise-induced fatigue.
    Suzuki M; Itokawa Y · Metabolic brain disease · 1996
    Randomized trial16 participantsEnergy forThiamin
  10. Long-term maintenance treatment with 300 mg thiamine for fatigue in patients with inflammatory bowel disease: results from an open-label extension of the TARIF study.
    Bager P; Hvas CL; Rud CL; Dahlerup JF · Scandinavian journal of gastroenterology · 2022
    Randomized trialEnergy forThiamin