Dina7, Thyroid-S is manufactured by Sriprasit Pharma but is sold by many different sellers.
Thyroid-S tablet is a light brown color and shiny. Tablet Anti-Counterfeiting: The coating on Thyroid-S tablets is thin and distinctive and not easily duplicated by counterfeiters.
1,000 tablets Thyroid-S is packaged in a brown glass bottle with metal cap, and with moisture absorber inside, and cotton to fill the extra space in the bottle. The glass bottle is inside a cardboard box with shrink wrap which functions as the security seal. The small packs, ie. 30-250 tablets, are packed in sealed, re-closeable, moisture barrier bags as described in the product listings. The bottle packaging is not available in tablet sizes less than 1,000 tablets.)
Factors affecting storage: The thyroglobulin in Natural Desiccated Thyroid is quite stable for long periods if stored correctly (cold, dry, and dark). Thyroid-S is packaged in a dark glass bottle, which protects the tablets from moisture, oxygen, and light.