Video keeps getting rejected because of violating community guidelines

I've been trying to upload a product overview video for the past 2 months. I've cropped every single bit that could trigger a rejection but apparently, it provides medical advice, negatively refers to professional medical advice, or makes false medical claims. I've contacted Amazon Seller Partner Support, they watched the video and told me that there is nothing wrong with it. I've also sent many emails to Community Help, but they couldn't help me either.

I've managed to upload the same video to the US marketplace, but can't upload to UK.

Is there anyone who managed to solve this kind of issue before? Any suggestions?