31/01/2026
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⚠️ A warning regarding vitamin D ⚠️
We have seen a concerning increase this month in serious cases involving pets that have ingested large quantities of vitamin D capsules.
Some vitamin D products are sold as 6–12 month supplies and packaged in resealable bags, meaning pets may gain access to a potentially toxic dose if the contents are consumed.
Vitamin D is found in different compounds such as cholecalciferol (vitamin D3), calcipotriol, tacalcitol and calcitriol and is commonly found in over-the-counter supplements, psoriasis creams and rodenticides. Different compounds have different toxic doses.
Toxic doses of vitamin D may lead to an increased frequency of drinking and urination, muscle spasms and high calcium levels, resulting in many serious issues.
It is important to note that most over-the-counter vitamin supplements (labelled in International Units [IU] or micrograms [µg/mcg]) do not usually contain enough vitamin D to cause toxicity, even if several capsules are eaten. However, the risk depends on the product, dose, and size of the animal.
❗ If you suspect your pet has ingested any vitamin D product, please seek advice promptly. Contact your vet with details of the product and strength, or call Animal PoisonLine for a risk assessment.
📞 Pet owners: Animal PoisonLine — 01202 509 000
👩⚕️ Veterinary professionals: VPIS — 020 7305 5055
