Caffeine Benefits

Caffeine Diet: Weight Loss Booster?

Caffeine has been used in diet pills and supplements for decades as a weight loss aid.

Until recently caffeine was used because of its metabolism-boosting properties. If dieters consumed more caffeine they would have more energy to burn more calories. Some research has shown that caffeine may aid in weight loss because of another factor.

First, let’s look at the caffeine levels in some popular weight loss supplements.

Common Diet Pills Containing Caffeine

Product Caffeine content per serving
Energi-Zing Shake
by Nutrisystem
200 mg
Celsius Energy Drink 200 mg
Leptiburn <1 mg (serving)
Body Choice Hoodia High Fiber 75 mg
RhinoRush Weightloss 100 mg/tablet (also includes additional stimulants)
Dexatrim Max Complex 7 50 mg
Dexatrim Natural Green Tea 50 mg
Dexatrim Natural Extra Energy 100 mg
Dexatrim Daytime 200 mg
Hydroxycut 250 mg
Xenadrine 200 mg
Twin Lab Diet Fuel 200 mg
Estrin D 300 mg (caffeine and caffeine-like stim.)
Natrol 100 mg
Stacker 2 200 mg
Green Coffee Pills ≤25 mg (varies by brand)

Caffeine Weight Loss Studies

Researchers at Kawasaki University discovered that caffeine also prevents the accumulation of fat in cells both in a Petri dish and in rodents. They believe that this is due to the caffeine inhibiting enzymes and genes responsible for lipid synthesis.

The results were the same using natural caffeine from coffee or yerba mate’ and using synthetic caffeine which is found in many supplements or energy drinks. src.

Although all caffeine prevented the accumulation of fat in cells, it’s important to note that synthetic caffeine found in energy drinks and diet pills wouldn’t have the same antioxidant benefits as caffeine from natural sources such as coffee, green tea, and yerba mate’.

Another study showed that caffeine has the ability to stimulate brown fat tissue causing it to burn calories for thermogenesis. This, in turn, is believed to increase the overall metabolic rate for an individual. Here’s the study in detail.

Yet another study showed that women who regularly drink coffee had lower body fat than women who don’t. Coffee drinkers had on average about 3% lower body fat than nondrinkers.

Calorie Restriction is Still Key

Overall, there does seem to be mounting evidence for the effective use of caffeine as a diet aid and a weight loss booster, however, other studies would show that the greatest health benefit from caffeine would be found by consuming it in natural products and not through the use of supplements.

Calorie restriction is still the key to weight loss. A caffeine-enhanced weight loss supplement will not do a thing if the dieter isn’t first, cutting calories and using more calories daily than they are taking in. Here are some other great weight loss tips.

Caffeine isn’t a miracle substance and it can’t magically displace calories consumed. Its greatest quality is to help people feel more energetic, which should help them have greater stamina during fitness programs. Thus, burning more calories.

There also is the caution to not go overboard with caffeine as the woman from New Zealand did during her Red Bull Diet. Caffeine is a powerful stimulant and sometimes it doesn’t mix well with intense exercise.

See Also: The Cafe Diet by Béla Csepregi who used coffee to help him to lose 30 pounds and improve his health.


Written by Ted Kallmyer, last updated on October 28, 2021