Atypical antidepressant (NaSSA)
Is Mirtazapine vegetarian or vegan-friendly?
Vegetarian and vegan patients sometimes ask whether their medication contains animal-derived ingredients. The active substance Mirtazapine in Mirtazapine is almost always synthetically produced; the question typically concerns excipients in the tablet or capsule shell at 7.5mg, 15mg, 30mg, 45mg.
Animal-derived excipients in Mirtazapine
Common animal-derived excipients in pharmaceuticals include gelatin (in capsule shells, derived from porcine or bovine sources), lactose (dairy-derived), and certain magnesium stearate sources. The prescribing information and patient leaflet for Mirtazapine list excipients; whether they are animal-derived is sometimes specified, sometimes left ambiguous. Mirtazapine antagonises presynaptic α2-adrenergic autoreceptors and heteroreceptors, increasing noradrenaline and serotonin release.
Practical guidance
According to general pharmacy practice, vegetarians and vegans concerned about Mirtazapine excipients should ask the pharmacist or manufacturer directly. Many medications have authorised generic versions with different excipient profiles — switching to a generic of Mirtazapine with vegetable-derived excipients is sometimes possible at 7.5mg, 15mg, 30mg, 45mg. For strict requirements (e.g. religious or strong ethical), specialist pharmacy consultation gives definitive answers.
Frequently asked questions
Does Mirtazapine contain gelatin? ▾
Whether Mirtazapine contains gelatin depends on the formulation — capsule shells often do, tablet coatings sometimes do. The patient leaflet for Mirtazapine at 7.5mg, 15mg, 30mg, 45mg lists excipients; the manufacturer or pharmacist can confirm gelatin source if not explicitly stated.
Is Mirtazapine suitable for vegans? ▾
Most modern tablet formulations are vegan-compatible (active ingredient synthetic, excipients usually plant or mineral), but capsule shells and some coatings may use animal-derived components. For strict vegan requirements, confirm with the manufacturer or pharmacist for the specific Mirtazapine product.
Products containing Mirtazapine
More on Mirtazapine
- With alcoholMirtazapine and alcohol — is it safe to drink?
- With foodShould Mirtazapine be taken with food?
- Side effectsMirtazapine side effects: common, rare and warning signs
- Dosage guideMirtazapine dosage guide: how much to take and when
- OnsetHow fast does Mirtazapine start working?
- DurationHow long does Mirtazapine last?
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.