Can I Give My Cat generic d-alpha tocopherol?

Yes, with care
Vitamin E is commonly referenced for cats at published doses. Published guidance for cats: 50-100 IU per cat, every 24h.
Source: Veterinary Partner (VIN)
Get the exact range for your cat's weight

Skip it or ask a vet first if

bleeding disordersbefore surgery

The safe habit

Confirm any medication decision with your veterinarian, who knows your cat's health history and other medications. VetDose shows published reference data, not prescriptions.