How can I safely gain weight with an underactive thyroid (taking Thyronorm 25) and mild Marfan syndrome, even though high-protein foods and mass gainer supplements have not worked for me?
I completely understand your frustration, and it is wonderful that you are proactively looking after your health. With an underactive thyroid (managed by Thyronorm 25) and mild Marfan syndrome, your body has unique needs. Mass gainers can sometimes strain the cardiovascular system, which we must protect in Marfan syndrome. Instead of supplements, focus on safe, calorie-dense whole foods like avocados, nut butters, olive oil, and whole grains. Eating smaller, frequent meals can also make eating easier. Please consult your pediatrician, cardiologist, and endocrinologist before changing your diet; they can ensure your thyroid levels are optimal and safely guide your weight gain journey. You are doing great, and we will find a safe path forward.