L-Methionine®

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.

Serving Size: 500 mg · 1–2 per day

Not Present

• 

  BulkSupplements MSM Powder

  BulkSupplements.com4.8(1800)

  $289.25
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  Bulk L-Methionine 5 Kilograms Super - Highest Quality Ingredients - Bulk Supplements - Wholesale Ingredients - Bulk Ingredients - BoxNutra - Bulk

  BoxNutra

  $108.75Lowest
• 

  L-Methionine,500g

  Grainger Industrial Supply

  $390.10
• 

  Bulk Selenium (As L-Selenomethionine) 1 Kilogram - Highest Quality Ingredients - Bulk Supplements - Wholesale Ingredients - Bulk Ingredients -

  BoxNutra

  $181.25

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• ITL Health

  5.0 (37)

  Vitamin & Supplements Shop

  50 Broadway, London SW1H 0BL

  Directions0118 321 7628

• RightNutri

  4.9 (78)

  Vitamin & Supplements Shop

  26 Queenstown Rd, London SW8 3RX

  Directions0800 098 8888

• Supreme Muscle Supplement Stepney Green

  4.3 (52)

  Vitamin & Supplements Shop

  126 Mile End Rd, Stepney Green, London E1 4UN

  Directions07943 582847

• Arbor Vitamins

  5.0 (13)

  Vitamin & Supplements Shop

  128 City Rd, London EC1V 2NX

  Directions

• Naddict

  5.0 (1)

  Vitamin & Supplements Shop

  124 City Rd, London EC1V 2NP

  Directions

• Holland & Barrett - Walworth Road

  3.3 (59)

  Health food shop

  303 Walworth Rd, London SE17 2TG

  Directions0330 058 2640

• Affordable Nutrition

  4.7 (39)

  Sports Nutrition Shop

  124 City Rd, London EC1V 2NX

  Directions0800 861 1065

• Biotech Life Sciences Ltd

  4.5 (6)

  Vitamin & Supplements Shop

  71-75 West St, Shelton St, London WC2H 9JQ

  Directions

• Adding free leucine to a balanced essential amino acid mixture suppresses intracellular transamination of isoleucine and valine in healthy older adults

  SB Knezek, MPKJ Engelen, KS Coyle, CN Perez… - Clinical Nutrition, 2026 - Elsevier

  Background Adding leucine (LEU) to protein meals enhances protein anabolism, but excess LEU reduces valine (VAL) and isoleucine (ILE) plasma concentrations. We examined in …

  2026

• Nutrition of honeybees is constrained by the ratios of essential amino acids in pollen protein

  D Stabler, JA Chennells, EF Power, J Scott, G Perri… - Current Biology, 2026 - cell.com

  Bees and flowering plants have co-evolved as mutualists. In this relationship, bees facilitate genetic outcrossing for plants, and in return, they collect and eat floral nectar and pollen. …

  2026

• The effects of arginine, guanidinoacetic acid and citrulline supplementation to reduced protein diets for aged laying hens

  A Nawab, TH Dao, S Sukirno, N Akter, E Kim… - Animals, 2026 - mdpi.com

  This study evaluated the effects of arginine (Arg), guanidinoacetic acid (GAA), and citrulline (Cit) supplementation in reduced protein (RP) diets on the production performance, serum …

  20261 citations

• 1, 2-Dithiolanes as Photodynamic Crosslinkers in Polymer Networks

  BR Nelson - 2026 - search.proquest.com

  … , via a radical S-adenosyl-L-methionine-mediated sulfur insertion performed by the enzyme … acid through a radical S-adenosyl-L-methionine pathway. (b) Most common dithiolane …

  2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2024-05-23. DSLD Label ID: 312187. 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.