THYROID-S is from Sriprasit Pharma Co., Ltd. in Thailand (sister company of Sriprasit Dispensary R.O.P.) Advertising states that Sriprasit Pharma is a leading importer of pharmaceutical products, and has been a GMP and ISO 9002-certified manufacturer of pharmaceutical products. Patients report they are quite pleased with this product. Sriprasit states Thyroid-s is gluten-free, but a patient has reported classic gluten digestive symptoms with it. Tablets are light brown, round, coated. The ingredients, according to Pongsak Songpaisan of Sriprasit are:
- Thyroid extract USP
- Lactose (a milk sugar and is a filler)
- PVP K90 (Polyvinylpyrolidone; water soluble coating/binder; no known hazard)
- Avicel (microcrystalline cellulose; holds product together)
- Aerosil (silicic acid powder; help disperse the ingredients)
- Sodium starch glycolate (helps dissolute/disintegrate the pill)
- Magnesium stearate (filling agent)
- Eudragit (a common sustain released coating)
- Methocel (a water soluble cellulose ether-helps bind pill)
- Talcum (a filler)
- Ponceau 4r lake (red additive-aluminum)
- Tartrazine lake (yellow additive-aluminum)
- Brilliant blue FCF lake (blue additive-aluminum)
- Sunset yellow FCF (yellow additive)
- Titanium dioxide (white)
- PEG 6000 (water soluble polymer; binder)
- Dimethicone solution
Information Source https://www.tpauk.com/main/article/ingredients-of-different-ndts-from-sttm-websi/