Before I also tried tri magnesium (around 300mg), from integrative therapeutics, life extension's brand neuromag (three capsules are around 150mg), which is magnesium l-threonate, suggested to me by a menopause expert, and life extension's magnesium citrate (which came in 100 mg tablets). The citrate can cause diarrhea or cramps if you take too much, but helps with constipation. I found that the brands other than the thorne powder could cause stomach upset at times if I took them right before bed, so I stayed with thorne. Different types of magnesium have different effects, so it's worth experimenting a bit and seeing what works well for you. Just be careful of which ones might cause diarrhea or stomach upset; easy to check by reading reviews, although not the same for everyone.
Sometimes I also still supplement with the citrate 100 mg if I need it's effects or I think I need more, but usually I just take the thorne powder.
You may find if you get on a stable dose of hrt for a few months, and it's high enough, that the palpitations go away. That happened to me for 3-6 months before I needed to make more changes to my hrt and palpitations came back. My practitioner says that a higher dose can even out the fluctuations of peri, if that is appropriate for you in other ways. I think now that I'm stabilizing on a new dose again, mine may be disappearing again.
Kara
Thanks ladies for your replies!
Kara and Katie, yes it seems to be ANY change to my Estrogen (whether endogenous or HRT) that triggers the episodes, in either direction up or down! It's so frustrating because of course in Peri your hormone levels are just all over the place, and even when I'm not suffering from anxiety the palpitations make you feel as though you are. Kara how much magnesium and of which kind of you take, if you don't mind me asking? I used to take it but haven't in a while, so can't hurt to add that in.
Amanda that's very interesting, I wasn't aware of the connection and I haven't had a thyroid test recently - would the impact on T4 to T3 conversion cause potential hypo or hyper thyroid? I've been borderline hypo in a few tests and have a history of it in the family. I take Atenolol - not sure if that affects conversion or not!
Katherine yes iron levels are the one thing I know are fine thankfully!