Buy L-Glutamine by Dynveo: an amino acid from plant biofermentation

L-glutamine is the most abundant free amino acid in the body. It is a so-called non-essential amino acid: the body can make it, and food also supplies it every day. L-Glutamine in capsules is mostly chosen by athletes and by people who want to top up their intake of amino acids, with a pure, easy-to-dose form.

L-glutamine is the subject of many scientific publications, particularly in sports nutrition. No health claim is currently authorised for glutamine in the European Union: we present it for what it is, a pure, well-characterised amino acid. The form offered here, obtained by plant biofermentation, is identical to the one found in food. We are happy to advise you in store on how to use it.

The Kyowa Quality certification is an internationally recognised mark of excellence. Kyowa Hakko, the Japanese manufacturer behind this standard, has produced L-glutamine through plant-based biofermentation for decades, using natural micro-organisms grown on a plant substrate, without chemical solvents or animal extraction, to achieve a purity above 99%. Every batch is tested to ISO 9001 standards and international pharmacopoeias (USP, EP), with HPLC analysis confirming the absence of contaminants, heavy metals and solvent residues — a level of rigour well above synthetic glutamine or less controlled processes commonly found on the market.

Glutamine is found naturally in many foods: meat, fish, eggs and dairy, but also legumes, cabbage and spinach. A varied diet already provides several grams a day. Capsules are a simple way to take a precise amount without changing your meals: 750 mg per capsule, 3,000 mg for 4 capsules.

Take 1 to 4 capsules a day with a large glass of water, ideally with meals; taking it on an empty stomach in the morning is also possible. A course of 4 to 8 weeks is recommended, repeatable after a 2-week break. For regular athletes, dosage can be adjusted to training intensity and individual needs.

For adults only. Do not exceed the recommended daily dose. Not recommended for pregnant or breastfeeding women without medical advice. If taking medication, consult a healthcare professional before use. Food supplements should not replace a varied, balanced diet and a healthy lifestyle. Store in a cool, dry place away from light. Keep out of reach of young children.

What is L-Glutamine used for?

L-Glutamine is an amino acid found naturally in the body and in protein-rich foods. It is mostly used by athletes, alongside a varied diet. No health claim is currently authorised for glutamine in the European Union.

What is the difference between L-Glutamine and glutamine?

L-Glutamine refers to the levorotatory form, the form naturally present and biologically active in the body — the form used in quality food supplements. The Kyowa Quality mark confirms it is genuinely pure, plant-fermented L-Glutamine.

Can L-Glutamine be taken every day?

Yes — it can be taken daily as part of a 4 to 8 week course. Follow the recommended dose and check with a healthcare professional if in doubt, particularly if taking other medication.

How should I choose an L-Glutamine supplement?

Look for one made through plant-based biofermentation, free from excipients and additives, with a recognised certification such as Kyowa Quality. Capsules made from pullulan (a plant material) suit those wanting a fully plant-based, clean-label product.

Herba Barona is an independent specialist supplement shop in the heart of Paris — established in 2006. What you order is genuinely on our shelves: we ship from our own stock, with no dropshipping and no long waits.

Visit us at 10 rue Théophile Roussel, Paris 12 — or use Click & Collect and pick up your order in-store. We also deliver across France and Europe. Friendly, expert advice in English from our team.

Where is the shop?

Herba Barona is at 10 rue Théophile Roussel, 75012 Paris — a two-minute walk from Ledru-Rollin (line 8), close to Bastille. Open Tuesday to Saturday, 9:30 am–6:30 pm.

Can I order online or collect in store?

Yes. We ship across France and Europe under the same conditions as our French store, or choose Click & Collect to pick up your order for free at our Paris shop.