Weight loss (and weight gain) can cause changes in oestrogen, a hormone that regulates the menstrual cycle
Protecting muscle is part of safe weight loss management advice
You should try to avoid eating large quantities of: red meat, game and offal - such as venison, kidneys, rabbit and liver seafood, particularly oily fish and shellfish - such as anchovies, fish roe, herring, mussels, crab and sardines foods rich in yeast extracts - such as Marmite, Bovril and Vegemite processed foods and drinks
This effect can be specifically blocked by the GLP-1R antagonist exendin (939) amide
[PubMed] [Google Scholar] 208.Chen HC, Farese RV., Jr DGAT and triglyceride synthesis a new target for obesity treatment
It does not cause masculinisation, weight gain, or hormonal disruption