Thiamine Hydrochloride 100 mg tablets – patient leaflet, side effects, dosage

Patient leaflet - Thiamine Hydrochloride 100 mg tablets

Sources: Original (products.mhra.gov.uk)

Facts about Thiamine Hydrochloride 100 mg tablets

Prescription needed?	No, but it is sold only in pharmacies (P)
Active substance	Thiamine
Strength	100 mg
Pharmaceutical form	Oral tablet round, white or almost white, biconvex tablets marked with “T100”
How is it taken	Oral
Excipients	Lactose monohydrate, Microcrystalline Cellulose, Croscarmellose Sodium, Stearic Acid, Magnesium Stearate
Pack sizes	28 tablet, 100 tablet
Is it available?	Listed as available (NHS Dictionary of Medicines and Devices – not a record of current supplies)
Shelf life	Blister: 2 years Pot: 2 years - unopened. After first opening the pot, medicinal product should be used within 100 days.
Storage	Store below 25°C. Store in the original package. For storage conditions after first opening of pots, see section 6.3
Drug group (ATC)	Vitamin B1, Plain A Alimentary tract and metabolism drugs A11 Vitamins A11D Vitamin B1, plain and in combination with vitamin B6 and B12 A11DA Vitamin B1, plain A11DA01 thiamine (vit B1)
Marketing authorisation	PL 08215/0183 (first authorised 5 February 2025)
Marketing authorisation holder	Kent Pharmaceuticals Limited, Connect 38, 1, Dover Place, Ashford, Kent, United Kingdom. TN23 1FB
Codes	GTIN 5015201008446, 5015201009337 · BNF 09060206

Sources: the MHRA product information (products.mhra.gov.uk) and the NHS Dictionary of Medicines and Devices (dm+d), release 10.3.0 of 26 October 2026, NHS Business Services Authority. Contains public sector information licensed under the Open Government Licence v3.0.