Having troubles downloaded my products

I’m not surprised, since this is a banned substance on Amazon and even if you list it then as soon as the bots find you your listing, and probably your account, will be suspended.
You will also risk losing any funds in your account.

Look at the bottom of this prohibited list

Examples of Prohibited Listings
The following human medicines:
Prescription-Only medicines(POM),
Pharmacy medicines that must be sold by a licensed pharmacist §,
General Sales List (GSL) medicines containing aloxiprin, aspirin, paracetamol or ibuprofen, and
any other device, drug, vitamin, herbal product or other product which requires a prescription, application or fitting by a doctor, optician or other health care provider
The following veterinarian medicines:
Non-Food Animal – Veterinarian, Pharmacist (NFA-VPS)
Prescription Only Medicine – Veterinarian (POM-V)
Prescription Only Medicine – Veterinarian, Pharmacist (POM-VPS)
All unlicensed medicines
All illegal drugs including:
Products that simulate the effects of any illegal drug, such as hallucinogens and opium-based drugs
Synthetic pot and synthetic cannabinoids
Herbal or homeopathic products without the necessary MHRA licences.
*Cannabinoids including Cannabidiol (CBD)_