A dietary supplement (also known as food supplement) is a preparation intended to supply nutrients, (such as vitamins, minerals, fatty acids or amino acids) that are missing or not consumed in sufficient quantity in a person's diet. Some countries define dietary supplements as foods, whilst in others they are defined as drugs. In the United States, the definition of dietary supplements includes non-medicinal herbal supplements and hormones, such as DHEA, pregnenolone (both steroids) and melatonin. Supplements containing vitamins or dietary minerals are recognised by the Codex Alimentarius Commission (the United Nations' highest authority on food standards) as a category of food.

Trying to lose weight? Learn about the Hoodia craze. Is this a miracle weight loss supplement or a hoax? Where can you buy authentic Hoodia? Is it safe? Reviews and information on Hoodia Gordonii.

With so many people out there looking for the fastest way to lose weight, it’s no wonder numerous supplement companies are beginning to offer fat loss products claiming to work magic. Do they really work? And are they safe? These are two important questions you should be asking yourself.

My name is Dr Marc and I cut through the BS, to get to the skinny about what really works (and what doesn’t) when it comes to weight loss, diets and health. No celeb, diet guru, food manufacturer or supplement maker is safe...