Thorne Stress B-Complex
vs
Metagenics Lipo-Gen
Supplement Comparison

  • Vitamin B12 (Cobalamin): Thorne Stress B-Complex has 10× more
  • Vitamin B9 (Folate): Thorne Stress B-Complex has 2.0× more
  • Vitamin B6 (Pyridoxine): Thorne Stress B-Complex has 2.8× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 27 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne Stress B-Complex vs Metagenics Lipo-Gen.

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Frequently asked questions

Which active ingredients does Thorne Stress B-Complex have?

  • Vitamin B1 (Thiamin) appears as Thiamin HCl
  • Vitamin B2 (Riboflavin) appears as Riboflavin 5-Phosphate Sodium
  • Vitamin B2 (Riboflavin) appears as Riboflavin
  • Vitamin B3 (Niacin) appears as Niacinamide
  • Vitamin B6 (Pyridoxine) appears as Pyridoxal 5-Phosphate
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Vitamin B9 (Folate) appears as L-5-Methyltetrahydrofolate
  • Vitamin B12 (Cobalamin) appears as Methylcobalamin
  • Vitamin B7 (Biotin)
  • Vitamin B5 (Pantothenic Acid) appears as Calcium Pantothenate

Which active ingredients does Metagenics Lipo-Gen have?

  • Vitamin C appears as Ascorbic Acid
  • Vitamin B6 (Pyridoxine) appears as Pyridoxine HCl
  • Vitamin B9 (Folate) appears as Calcium-L-5-methyltetrahydrofolate
  • Vitamin B12 (Cobalamin) appears as Methylcobalamin
  • Choline appears as Choline Bitartrate
  • Magnesium appears as Magnesium Oxide
  • Inositol
  • Betaine Hydrochloride
  • Taurine
  • Blend appears as Proprietary Blend Artichoke Cynara scolymus Leaf Extract Chen Pi Citrus reticulata 5:1 Peel Extract
  • L-Methionine

Which categories do Thorne Stress B-Complex and Metagenics Lipo-Gen belong to?

  • Single Vitamin
  • Digestive Support

What health concerns do Thorne Stress B-Complex and Metagenics Lipo-Gen address?

  • Brain, Focus & Cognitive Function
  • Energy & Metabolism
  • General Health
  • Stress Management
  • Liver & Detox Support

Which product has a higher amount of Vitamin B12 (Cobalamin) per serving?

  • Thorne Stress B-Complex has the highest total amount of Vitamin B12 (Cobalamin): 100 mcg per serving

Which product has a higher amount of Vitamin B9 (Folate) per serving?

  • Thorne Stress B-Complex has the highest total amount of Vitamin B9 (Folate): 334 mcg DFE per serving

Which product has a higher amount of Vitamin B6 (Pyridoxine) per serving?

  • Thorne Stress B-Complex has the highest total amount of Vitamin B6 (Pyridoxine): 25 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Stress B-Complex: 1 capsule
    • Metagenics Lipo-Gen: 2 tablets
  • Vitamin B1 (Thiamin)
    • This supplement has 50 mg
    • Recommended Dietary Allowance in men: 1.2 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B2 (Riboflavin)
    • This supplement has 28.6 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B3 (Niacin)
    • This supplement has 80 mg
    • Recommended Dietary Allowance in men: 16 mg
    • Recommended Dietary Allowance in women: 14 mg
    • Tolerable Upper Intake Level: 35 mg
  • Vitamin B6 (Pyridoxine)
    • This supplement has 28.4 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.3 mg
    • Tolerable Upper Intake Level: 100 mg
  • Vitamin B9 (Folate)
    • This supplement has 334 mcg DFE
    • Recommended Dietary Allowance in men: 400 mcg DFE
    • Recommended Dietary Allowance in women: 400 mcg DFE
    • Tolerable Upper Intake Level: 1000 mcg DFE
  • Vitamin B12 (Cobalamin)
    • This supplement has 100 mcg
    • Recommended Dietary Allowance in men: 2.4 mcg
    • Recommended Dietary Allowance in women: 2.4 mcg
    • Tolerable Upper Intake Level: Not established
  • Vitamin C
    • This supplement has 100 mg
    • Recommended Dietary Allowance in men: 90 mg
    • Recommended Dietary Allowance in women: 75 mg
    • Tolerable Upper Intake Level: 2000 mg
  • Vitamin B6 (Pyridoxine)
    • This supplement has 10 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.3 mg
    • Tolerable Upper Intake Level: 100 mg
  • Vitamin B9 (Folate)
    • This supplement has 165 mcg DFE
    • Recommended Dietary Allowance in men: 400 mcg DFE
    • Recommended Dietary Allowance in women: 400 mcg DFE
    • Tolerable Upper Intake Level: 1000 mcg DFE
  • Vitamin B12 (Cobalamin)
    • This supplement has 10 mcg
    • Recommended Dietary Allowance in men: 2.4 mcg
    • Recommended Dietary Allowance in women: 2.4 mcg
    • Tolerable Upper Intake Level: Not established
  • Choline
    • This supplement has 300 mg
    • Adequate Intake in men: 550 mg
    • Adequate Intake in women: 425 mg
    • Tolerable Upper Intake Level: 3500 mg

Last updated: February 3, 2026

  • Sources & Methodology: Nutrient data and forms are taken directly from Supplement Facts labels. Reviewed and standardized by the VIOscan Research Team. Learn more on the Methodology page.
  • We show the Recommended Dietary Allowance (RDA) when available. If no RDA exists, we show the Adequate Intake (AI). Tolerable Upper Intake Levels (UL) are used for upper limits. Unless otherwise noted, RDAs shown correspond to healthy adults aged 19–50 years and are sex-specific. Separate values exist for 51–70 years and >70 years, and pregnancy and lactation are excluded. All values come from the Dietary Reference Intakes (DRIs) published by the National Academies of Sciences, Engineering, and Medicine (NASEM), Food and Nutrition Board (FNB).
  • Transparency: We’re funded by our users. We don’t have sponsors or affiliate links, and we don’t sell supplements.
  • Editorial standards: we provide independent, impartial and objective data analysis.
  • This analysis is for educational purposes only. It is not a substitute for medical advice.
  • Questions? Read our Frequently Asked Questions or contact us, we’re here to help.
  • See an error? Report it through our Contact page.
  • Author: VIOscan Research Team