We currently only ship our supplements in Australia & aiming to expand into the US later this year.
If it helps though, we'd suggest having a look at Thorne & their products https://www.thorne.com/.
And specifically for magnesium glycinate, Jigsaw Health https://www.jigsawhealth.com/products/best-pure-magnesium?variant=32209755078734
Thorne also have magnesium glycinate, which they call bisglycinate (it's the same thing just said a different way) ... but only in powder form.
We've got no affiliation with either of these guys, but I have used them before and do like their brands for quality and transparency.
And we'll be letting all of our customers know as soon as we start shipping internationally.
So please make sure to sign up to our mailing list if you'd like to be kept in touch.