Thailand has 2 major negatives. Pollution and visas not good. Otherwise it's great. I love driving there. I love the food. I love the women. Most things are cheap.
Here's a scientific website which places doubt on good cholesterol
https://www.nih.gov/news-events/news-releases/study-challenges-good-cholesterol-s-role-universally-predicting-heart-disease-risk
I'd be calling again and tell the manager the person on phone is likely responsible. I would then tell the manager I'm writing bad reviews of your firm and contacting the bank because your firm is dodgy.