Any Post Menopausal Ladies Out There?

Hi. I have returned to fitness pal after a 4 year sabbatical. During that time, I've managed to gain 7 extra pounds. During my recent physical, I was found to have the beginning of osteoporosis and a vitamin D level of 24 (low...it should be 40-50.) I'm also hypothyroid and have parathyroid adenomas I will soon be having removed surgically. My weight gain, although modest, has come from what I think are several factors including vit D deficiency, the thyroid and just getting older. When I tried in the past to reduce, none of the fat would come off because my body was in a poor metabolic state where it couldn't let go of it. My doctor now has me on 4000 iu of vitamin D. (had been taking 1000 but it wasn't helping) I am also taking berberine to help with some slight insulin resistance I'm dealing with. I like coming on here and logging my calories. It keeps me nutritionally responsible. I also think I was sneaking in calories and didn't realize how much I was consuming. I'm feeling more energy since I upped my vit D so my work outs are getting better. I'm managing to do 2-3 strength trainings a week and 5 days of dance exercise work outs. Still not quite feeling up to par but getting better. It's a struggle. It's too early to tell, but I think I am going to be successful taking off these 6-7 lbs. I hope to hear from other ladies who are past their reproductive years and what you're doing to keep fit.