Hi Purple
Basing my comments on the assumption that you mainly want to address anxiety and tiredness. Motherwort is indeed good for both these things, it has a sedative action. I am really familiar with a lot of complementary medicine theories and know a lot of qualified practitioners. I think it is really important to seek a professional rather than thinking along the lines of collect several products to address various symptoms. A qualified herbalist will create you a specific mix that addresses your symptoms and will also see you again to monitor progress. Herbs are very strong and the dosage and timing is important as is the combination you take them in.
So for anything other than the herbs that are commonly available in high streets as prepared products, I would see a herbalist. If it is a prepared product of Motherwort that you are thinking of, I would suggest you try it on it's own and follow the instructions and see how you go. The tabs at the top of the page, as suggested further up, have details of herbal remedies that have been researched more thoroughly such as Black Cohosh and Agnus Castus - again, if you choose one of these from the high street, I would not mix it with other products.
The very best direction, if you are wanting to try herbal medicine is to see a practitioner. A well known high street herbalist can advise on preparations of mixed herbs for perimenopause and motherwort is often used BUT the full picture needs to be considered in my opinion, so that they can mix a preparation that is balanced according to your particular symptoms. So for instance, Motherwort is also a relaxant of the uterine muscles, so it can ease cramps but too much and it can cause heavy bleeding, other herbs will balance it etc so a combination is best.
In short, herbal medicine, if used correctly can be useful, however it is as complicated (in my opinion) as HRT or other medicines and needs professional guidance. Quite often the highstreet products won't be as effective for perimenopausal strong symptoms (my opinion) because the dosage isn't enough (due to the need for licensing without prescription).
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Other approaches to anxiety might be mindfulness practise, I appreciate you must be short on time. There are some useful apps with short meditations or relaxations. Increasing excercise might help too. Back to the herbal idea, there are some relaxing/anti anxiety sleep blends available in high street shops, again, I'd only take one product at a time. Products that include things like hops and valerian.
Hope that helps x