Methyl B-12®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 1 Lozenge(s) · 1 per day

Not Present

• 

  Carlson B-12 1000 mcg

  Carlson Labs4.8(199)

  $13.50
• 

  Carlson Laboratories Tri-B 360 Tablets

  iHerb4.8(43)

  $23.97
• 

  Carlson Labs Active B Complex 120 Capsules

  Swanson Health Products5.0(1)

  $36.50
• 

  Carlson Labs Stress & Energy B Complex 180 Capsules

  Carlson Labs5.0(1)

  $29.90
• 

  Brain Basics Methyl B-12 Plus Lozenge

  Brain Bean

  $11.75
• 

  Carlson Tri-B 120 Tablets

  iHerb4.8(523)

  $9.78
• 

  Carson Life Tablets

  Carson Life

  $4.99Lowest
• 

  Carlson Labs B-100 Gels

  PureFormulas.com4.8(100)

  $23.38

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• Variety Supplements

  5.0 (379)

  Vitamin & Supplements Shop

  14 The Triangle, Bournemouth BH2 5RY

  Directions01202 556640

• Minerva Wellness

  5.0 (21)

  Vitamin & Supplements Shop

  71-75 Shelton St, London WC2H 9JQ

  Directions020 7459 4641

• Supplemented

  4.7 (192)

  Vitamin & Supplements Shop

  Online Retail Ltd Box 1031A, Surbiton, Kingston upon Thames KT1 9AH

  Directions

• Dietapplements Limited

  4.8 (6)

  Vitamin & Supplements Shop

  27 Old Gloucester St, London WC1N 3AX

  Directions01892 506990

• London Supplements

  3.7 (84)

  Vitamin & Supplements Shop

  13, Waverley Industrial Park Waverley Industrial Estate, Hailsham Dr, Harrow HA1 4TR

  Directions020 8863 0300

• Love Life Supplements

  4.8 (87)

  Vitamin & Supplements Shop

  wellington house, East Rd, Petersfield, Cambridge CB1 1BH

  Directions0800 122 3351

• Metagenics UK

  4.6 (203)

  Vitamin & Supplements Shop

  Botany Business Park, Macclesfield Rd, Whaley Bridge, High Peak SK23 7DQ

  Directions0800 043 5777

• Nutri Tailor

  5.0 (13)

  Vitamin & Supplements Shop

  85 Great Portland St, London W1W 7LT

  Directions

• Vitamin B12 in Foods, Food Supplements, and Medicines—A Review of Its Role and Properties with a Focus on Its Stability

  Ž Temova Rakuša, R Roškar, N Hickey, S Geremia - Molecules, 2022 - mdpi.com

  … -deoxyadenosylcobalamin, and methylcobalamin—are currently used for supplementation and, … process and storage affect B 12 stability in foods, food supplements, and medicines and …

  2022160 citations

• Biological properties of vitamin B12

  M Moravcová, T Siatka, LK Krčmová… - Nutrition Research …, 2025 - cambridge.org

  … 0 -deoxyadenosylcobalamin, AdoCbl), or a methyl group to form methylcobalamin, or a hydroxyl group to form hydroxocobalamin. Similarly, some species use a different lower base …

  202541 citations

• B vitamins attenuate the epigenetic effects of ambient fine particles in a pilot human intervention trial

  J Zhong, O Karlsson, G Wang, J Li, Y Guo, X Lin… - Proceedings of the …, 2017 - pnas.org

  … methyl groups (CH 3 ) while relying on methyl … healthy adults. We showed that these effects can be prevented with B-vitamin supplementation (ie, folic acid and vitamins B 6 and B 12 ). …

  2017178 citations

• Metformin increases total serum homocysteine levels in non-diabetic male patients with coronary heart disease

  SM Carlsen, I Følling, V Grill, KS Bjerve… - … Journal of Clinical …, 1997 - Taylor & Francis

  … serum vitamin B 12 levels … B 12 and folate. Since MMA levels were unchanged, it remains an open question whether the increase in tHcy levels is secondary to reduced vitamin B 12 …

  1997148 citations

• … folate and serum vitamin metabolites in patients with rectal carcinoma: an open-label feasibility study of pemetrexed with folic acid and vitamin B: 12: supplementation

  CC Stoffregen, EA Odin, GU Carlsson… - Anti-Cancer …, 2016 - journals.lww.com

  … In this study, single-agent pemetrexed with FA/B 12 supplementation was given as neoadjuvant … vitamin B 12 metabolites following FA/B 12 supplementation and pemetrexed therapy. …

  201619 citations

• Choline–a scoping review for Nordic Nutrition Recommendations 2023

  R Obeid, T Karlsson - Food & nutrition research, 2023 - pmc.ncbi.nlm.nih.gov

  … There is no sufficient evidence of intakes of total methyl-group donors (methionine, choline, betaine, and folate) and co-factors (riboflavin and vitamins B 6 and B 12 ) in relation to …

  2023130 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-11-21. DSLD Label ID: 209079. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.