Most consumable or medical related products must submit their product with their marketing materials for approval by Ministry of Health before posting onto any media / advertisement.

Why do Ministry of Health needs to get involve? Sample. Guideline are
• Advert must not over claim what it’s function are and does.
• Product must be tested and certified from Ministry of Health making assurance all ingredients is safe for consumer to buy and consume.
• Product quantity control and records (if there is an issue from product’s problem)

For more info

http://www.pharmacy.gov.my/v2/en/news/04-dec-2012/beware-illegal-advertisements.html