Thiroid Greater Pharma online source?

Hello to all in the forum

I've been on Erfa Thyroid for a few months now and not sure it's the right NDT for me. I've often heard we need to try a few to find the right fit. I'm curios about Thiroid by Greater Pharma but unsure of the correct site to go to. When googling it a few options come up and I'm scared of getting a counterfeit source by mistake! Can anyone out ther PM me with a reliable online source?

Many thanks! 🙂