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B-Complex

Advanced Nutrition by Zahler
4.7
★ ★ ★ ★ ★
(733 ratings)
Niacin 32 mg
Choline 225 mg
Vitamin B12 240 mcg
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Score80
A balanced active-form B-complex with useful choline, best for general support rather than high-potency B12.
How scoring works
Quantity:60 Tablet(s) • (60 servings)
Goals:
General Health
Hair Health

Score 80

A balanced active-form B-complex with useful choline, best for general support rather than high-potency B12.
How scoring works
$17.52($0.29 per serving)
iHerb
$ 17.52
Pure Formulas
$ 17.52
Vitacost
$ 19.27
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Analysis

Methylcobalamin, P-5-P, riboflavin 5-phosphate, methylfolate, benfotiamine, and pantethine provide strong form diversity. Choline bitartrate and inositol add meaningful breadth beyond a basic B-complex.

The amounts favor balanced daily support rather than extreme dosing. Its 225 mg choline serving is useful systemically, though the bitartrate form is less targeted to cognitive effects than citicoline or alpha-GPC.

The one-tablet formula fits adults who want active forms without a high-B6 load. Users choosing it mainly for B12 may find the serving cost high for the amount supplied.

Who is it for
  • Adults seeking active B-vitamin forms
  • People wanting moderate rather than extreme doses
  • Users who value added choline and inositol
Best for
  • General B-complex support
  • Energy metabolism
  • Broad cofactor coverage

Pros

  • Multiple active vitamin forms
  • Useful choline amount
  • Avoids excessive B6

Cons

  • Not cost-efficient as a B12-only product
  • Choline bitartrate is not cognition-focused
  • Folate amount is moderate

Warnings

  • Inositol hexanicotinate may still cause digestive discomfort in sensitive users
  • People using folate-antagonist medication should review the methylfolate amount with their prescriber
  • Stacking with other choline products may increase headache or stomach upset in sensitive users

Nutrient quality

91 Highest impact

Benfotiamine, pantethine, methylcobalamin, riboflavin phosphate, methylfolate, and active B6 are well-regarded forms. The core B vitamins are supplied at useful amounts for broad nutritional support.

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Ingredient transparency

73 High impact

Core amounts are shown, though duplicate or split entries make parts of the label confusing. A complete excipient list is not available in the supplied data.

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Customer satisfaction

74 High impact

The average rating is strong. The large rating volume provides a reliable satisfaction signal.

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Value for money

83 Highest impact

The supply provides reasonable value per effective serving. The formula is not inflated by low-value extras.

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Goals

General Health
Impact
Highest effect
A Goal FitA- Strength of SupportA- CoverageA Formula Quality
Folate · 200 mcg DFEVitamin B12 · 240 mcg

Active B-vitamin forms and broad coverage provide strong support for energy metabolism and methylation. Methylfolate, methylcobalamin, P5P, and riboflavin phosphate are clear quality strengths.

Folate is comparatively modest, but most pathways still receive useful amounts. Choline and inositol extend the formula without pulling it far from its metabolic focus.

Study evidence
Folate Supportive 80 studies
Vitamin B12 Adverse 66 studies
Hair Health
Impact
High effect
C- Goal FitB Strength of SupportC- CoverageB+ Formula Quality
Biotin · 30 mcg

Active B vitamins can support normal cell division and hair when intake is inadequate. The formula has little direct evidence as a hair-growth product for well-nourished users.

Methylfolate, methylcobalamin, P-5-P, and riboflavin phosphate improve form quality. Biotin is supplied only at a basic nutritional amount, and structural or mineral pathways are absent.

Study evidence
Biotin Supportive 4 studies
Folate Mixed 15 studies

Ingredients

IngredientAmount per serving
Vitamin B2 (Riboflavin 5-Phosphate)
2.6 mg
Niacin (Inositol Hexanicotinate)
32 mg
Vitamin B6 (Pyridoxal 5-Phosphate)
3.4 mg
Folate ((6S)-5-Methyltetrahydrofolic Acid, Glucosamine Salt)
200 mcg DFE
Vitamin B12 (Methylcobalamin)
240 mcg
Biotin
30 mcg
Choline (Choline Bitartrate)
225 mg
Inositol
100 mg
Pantethine
15 mg
Benfotiamine
2.6 mg
Gluten Free Adults 18–50 Kosher Dairy Free Vegetarian
Report overview
A Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value

inositol hexanicotinate is a reasonable form for a general multivitamin or B-complex without a specialized NAD-plus claim. The 32 mg serving is appropriate for a multivitamin or B-complex. The serving cost is high for the amount of niacin supplied.

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

A single tablet supplies 225 mg of choline from bitartrate, a practical systemic form that is less targeted to cognitive effects than Alpha-GPC or citicoline. The elemental amount and source form are clearly disclosed, and no problematic additives appear in the provided label data. Cost is reasonable per serving but only average relative to the actual choline delivered.

A- Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value

Bioactive methylcobalamin and clear labeling are meaningful quality strengths. The swallowed tablet offers standard delivery, but its B12 amount is geared more toward maintenance than higher needs. Cost efficiency is weak when measured against the active B12 delivered, although the broader B-complex formula may matter to users seeking several nutrients.

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Sources

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

  1. Intakes of Folate, Vitamin B6, and Vitamin B12 in Relation to All-Cause and Cause-Specific Mortality: A National Population-Based Cohort.
    Bo Y; Xu H; Zhang H; Zhang J; Wan Z; Zhao X; Yu Z · Nutrients · 2022
    Cohort study55,569 participantsGeneral Health forFolate
  2. The responsiveness of plasma homocysteine to small increases in dietary folic acid: a primary care study.
    Schorah CJ; Devitt H; Lucock M; Dowell AC · European journal of clinical nutrition · 1998
    Randomized trial119 participantsGeneral Health forFolate
  3. Associations of Serum Folate and Homocysteine Concentrations with All-Cause, Cardiovascular Disease, and Cancer Mortality in Men and Women in Korea: the Cardiovascular Disease Association Study.
    Song S; Song BM; Park HY · The Journal of nutrition · 2023
    Cohort study21,260 participantsGeneral Health forFolate
  4. The concept of folic acid supplementation and its role in prevention of neural tube defect among pregnant women: PRISMA.
    Seyoum Tola F · Medicine · 2024
    Systematic reviewGeneral Health forFolate
  5. Systematic review of adverse health outcomes associated with high serum or red blood cell folate concentrations.
    Colapinto CK; O'Connor DL; Sampson M; Williams B; Tremblay MS · Journal of public health (Oxford, England) · 2017
    Systematic review71,847 participants46 studies pooledGeneral Health forFolate
  6. Oral Vitamin B12 versus Placebo for the Prevention of Chemotherapy-Induced Peripheral Neuropathy in Gynecological Cancer Patients: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Insin P; Chaiwongsa T; Prueksaritanond N · Asian Pacific journal of cancer prevention : APJCP · 2026
    Randomized trial40 participantsGeneral Health forVitamin B12
  7. Vitamin B12 Supplementation in Diabetic Neuropathy: A 1-Year, Randomized, Double-Blind, Placebo-Controlled Trial.
    Didangelos T; Karlafti E; Kotzakioulafi E; Margariti E; Giannoulaki P; Batanis G; Tesfaye S; Kantartzis K · Nutrients · 2021
    Randomized trial90 participantsGeneral Health forVitamin B12
  8. A single-center randomized controlled trial of local methylcobalamin injection for subacute herpetic neuralgia.
    Xu G; Lv ZW; Feng Y; Tang WZ; Xu GX · Pain medicine (Malden, Mass.) · 2014
    Randomized trial98 participantsGeneral Health forVitamin B12
  9. Local Injection of Methylcobalamin Combined with Lidocaine for Acute Herpetic Neuralgia.
    Xǔ G; Xu S; Tang WZ; Xú G; Cheng C; Xu J · Pain medicine (Malden, Mass.) · 2017
    Randomized trial204 participantsGeneral Health forVitamin B12
  10. The Effect of Vitamin B12 and Folic Acid Supplementation on Serum Homocysteine, Anemia Status and Quality of Life of Patients with Multiple Sclerosis.
    Nozari E; Ghavamzadeh S; Razazian N · Clinical nutrition research · 2022
    Clinical trial50 participantsGeneral Health forVitamin B12
  11. The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
    Patel MN; Maheshvari J; Patel N · Cureus · 2025
    Randomized trial105 participantsHair Health forBiotin
  12. Low serum biotinidase activity in children with valproic acid monotherapy.
    Schulpis KH; Karikas GA; Tjamouranis J; Regoutas S; Tsakiris S · Epilepsia · 2001
    Clinical trial125 participantsHair Health forBiotin
  13. Vitamins A, B, C, and D: A Short Review for the Dermatologist.
    Coerdt KM; Goggins CA; Khachemoune A · Alternative therapies in health and medicine · 2021
    Narrative reviewHair Health forBiotin
  14. The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
    Soleymani T; Lo Sicco K; Shapiro J · Journal of drugs in dermatology : JDD · 2018
    Narrative reviewHair Health forBiotin
  15. Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.
    Zhang W; Fan M; Wang C; Mahawar K; Parmar C; Chen W; Yang W; Global Bariatric Research Collaborative · Obesity surgery · 2021
    Meta-analysis2,538 participants18 studies pooledHair Health forFolate
  16. Quantitative Analysis of Selected Circulating Hematological Biomarkers, Essential Minerals, Vitamins, and Thyroid Hormones in Females Affected by Hair Loss.
    Al-Fawaeir S; Al-Odat I · Diseases (Basel, Switzerland) · 2025
    Case-control study200 participantsHair Health forFolate
  17. Twelve weeks of protracted venous infusion of fluorouracil (5-FU) is as effective as 6 months of bolus 5-FU and folinic acid as adjuvant treatment in colorectal cancer.
    Saini A; Norman AR; Cunningham D; Chau I; Hill M; Tait D; Hickish T; Iveson T; Lofts F; Jodrell D; Ross PJ; Oates J · British journal of cancer · 2003
    Randomized trialHair Health forFolate
  18. Role of oxaliplatin combined with 5-fluorouracil and folinic acid in the first- and second-line treatment of advanced colorectal cancer.
    Jonker D; Rumble RB; Maroun J; Gastrointestinal Cancer Disease Site Groupof Cancer Care Ontario’s Program in Evidence-Based Care · Current oncology (Toronto, Ont.) · 2012
    Randomized trialHair Health forFolate
  19. Phase I-II study of vinorelbine in combination with 5-fluorouracil and folinic acid as first-line chemotherapy in metastatic breast cancer: a regimen with a low subjective toxic burden.
    Nolè F; de Braud F; Aapro M; Minchella I; De Pas TM; Zampino MG; Monti S; Andreoni G; Goldhirsch A · Annals of oncology : official journal of the European Society for Medical Oncology · 1997
    Randomized trialHair Health forFolate