I've been using Tesofensine since July with 10mg/week of tirz. Tirz was great for losing my first 50 lbs., but then my weight loss pace slowed down by half. For 7 months, I was only losing 0-5 lbs even though I still had 90 lbs to lose. Even on tirz, my metabolism is still a good bit slower than average for my height and weight.
Tesofensine supposedly speeds up your metabolism. Sure seems like it! I lost 6 lbs the first month. Added 2mg/week of reta the second month, but that was the only vial I had to experiment with. I lost 8 lbs that month. I went back to just tirz/tesofensine after that and have been losing 5 lbs/month since.
Tesofensine also adds some extra appetite suppression, but I kept my calories the same. If anything, I've had a little more flexibility in being able to have more calories or carbs sometimes without it hurting my weight loss pace.
It's technically not a peptide and it's in pill form, so I'm not sure if the Chinese peptide companies carry it. I've gotten it from various US labs. I tried it from Solution Peptides first, but then I found it a lot cheaper at Biostrategix. It's normal price at SP is $119 for 30 500mcg pills. The normal price at Biostrategix is $185 for 120 500mcg pills and they have a perpetual 10% discount code that is Rollins10 (not associated with me). I take one 500mcg pill a day, usually in the morning. Some people take 1,000mcg/day.
Now I am here on this forum looking for quality, cheaper options for both tirz and reta. I'm almost to my goal weight (yay!), but I will always need to take a GLP-1. I planning to wean myself off tirz and onto reta. My dream is to open up my diet more once I'm in maintenance and teso/reta will allow me even more calories by speeding up my metabolism. Y'all, I'm only 5'0". I wouldn't be surprised if maintenance for me is only 1100 calories/day. I need all the help I can get, lol!