Buy Vitamin B12: three active cobalamin forms
Dynveo’s Vitamin B12 combines three bioactive cobalamin forms — methylcobalamin, adenosylcobalamin and hydroxocobalamin — for complete metabolic coverage. Available at our Paris shop, with Click & Collect and delivery across France and Europe.
▶ Vitamine B12 Dynveo 60 gélules 250 µg 3 formes actives expliqué en vidéo
Three forms, synergistic action
Most B12 supplements contain a single form, often synthetic cyanocobalamin. Dynveo’s formula combines three bioactive variants, each covering a different aspect of metabolism: methylcobalamin supports methylation reactions and the nervous system; adenosylcobalamin is involved in the Krebs cycle, contributing to cellular energy production; hydroxocobalamin offers excellent body retention, acting as a gradual-release reserve. Together, they ensure broad coverage regardless of individual enzymatic conversion capacity.
Recognised benefits
Vitamin B12 contributes to normal function of the nervous system, normal red blood cell formation and the reduction of tiredness and fatigue. It’s also involved in energy metabolism and immune function. Vegetarians and vegans need a regular B12 intake, as it’s nearly absent from plant sources; seniors may also benefit, given sometimes-reduced intestinal absorption with age.
Bioactive vs. cyanocobalamin
Cyanocobalamin, the most common synthetic form, needs several enzymatic conversion steps before becoming active — potentially limited in people with MTHFR gene variants or digestive issues. Dynveo’s three bioactive B12 forms are directly usable by cells with no prior transformation; hydroxocobalamin also has superior plasma retention, acting as a gradual-release reservoir.
How to use & precautions
Take 1 to 2 capsules a day with a glass of water, with or without food. For those with higher needs — pregnant or breastfeeding women, seniors, or endurance athletes — 2 capsules a day is advised. A 60-capsule bottle covers 1–2 months depending on dose.
Does not replace a varied, balanced diet or healthy lifestyle. Do not exceed the recommended daily dose. If on medication or under medical care, consult a healthcare professional before use. Being water-soluble, excess B12 is naturally eliminated in urine, greatly limiting overdose risk (may cause harmless yellow urine colouring). Store in a dry place away from heat and light, out of reach of young children.
Frequently asked questions
Why choose a 3-form B12?
A single-form B12 relies on the body converting it into its various active versions — a process that can be less efficient in some people, notably those with an MTHFR mutation. Combining all three forms directly bypasses this limitation.
What’s the difference from cyanocobalamin?
Cyanocobalamin needs enzymatic conversion before use; these three forms are directly bioactive, meaning better assimilation and less rapid urinary loss.
Can B12 be combined with other B vitamins?
Yes — B12 and folate (B9) work in synergy in homocysteine metabolism and red blood cell formation.
Why buy from Herba Barona?
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.
Delivery & collection
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.
