Fat Burners Prices
79 products tracked. Fat burners are thermogenic formulas, usually built around caffeine and plant extracts, used alongside a diet and training plan. They are not a substitute for either.
| Product | Variant | Price | Discount | Status | |
|---|---|---|---|---|---|
 Project#1 Nutrition Project#1 Nutrition Embrax Fat Burner - 30 Servings | 30 servings | $32.95 | — | 16 minutes ago | Go to store |
 Project#1 Nutrition Project#1 Nutrition L-Carnitine - 180ct | 180 count Out of stock | $26.99 | — | 16 minutes ago | Go to store |
$19.99 | — | 16 minutes ago | Go to store | ||
 VMI SPORTS Vmi 3000 L-Carnitine Powder | 3000 L | $39.99 | — | 16 minutes ago | Go to store |
 VMI SPORTS Vmi Heat L-Carnitine Powder | $34.99 | — | 16 minutes ago | Go to store | |
 VMI SPORTS Vmi Liquid L-Carnitine 3000 | $34.99 | — | 16 minutes ago | Go to store | |
 VMI SPORTS Vmi Liquid L-Carnitine Heat 1500 | $39.99 | — | 16 minutes ago | Go to store |
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Fat Burners: Frequently Asked Questions
Do fat burner supplements really work?
Most contain ingredients said to slightly raise metabolism or curb appetite (mostly caffeine and plant extracts). Their effects are generally small and don't replace a calorie deficit. The claims in product names are more marketing than measured effect.
Can I lose weight without a fat burner?
Yes. Weight loss rests on a calorie deficit; no supplement produces fat loss without it. At best, supplements offer a small addition.
What does "thermogenic" mean?
It describes products said to raise body heat and therefore energy expenditure slightly. That increase is usually a small share of total daily calories burned.
Does L-carnitine help you lose weight?
Not on its own. L-carnitine helps move fatty acids into cells to be used for energy, but the body already makes enough, and evidence that supplementing it meaningfully increases fat loss is limited.
What is CLA?
CLA (conjugated linoleic acid) is a fatty acid found naturally in some animal foods. Studies on body composition have shown mixed results; expecting a large, reliable effect isn't realistic.
What are the side effects of fat burners?
Most contain a lot of caffeine, so a racing heart, jitters, poor sleep and raised blood pressure can occur. People with heart or blood pressure conditions or caffeine sensitivity shouldn't use them without talking to a doctor.
Can I take a fat burner with a pre-workout?
Be careful: both can be high in caffeine, and together the total climbs fast. Compare the labels and add up the caffeine.
The most important fact when comparing fat burners: no supplement causes fat loss without a calorie deficit and regular training. At best these products modestly support energy expenditure or appetite; they don't "melt fat". Ingredients such as L-carnitine and CLA are sold in this category too, with modest and inconsistent results in human studies.
Do Fat Burners Actually Burn Fat?
Thermogenic ingredients (caffeine, green tea extract) can produce a small, temporary rise in metabolic rate, but it is tiny next to a daily calorie deficit. Someone eating in a surplus won't lose fat with any fat burner; the realistic role is a marginal addition on top of the right diet and training.
Common Thermogenic Ingredients
The most common are caffeine, green tea extract (EGCG), green coffee extract and capsaicin (chili pepper extract). They are associated with a slight increase in energy expenditure, but the effect varies by person and guarantees no large fat loss.
L-Carnitine and CLA
L-carnitine carries fatty acids into the mitochondria, where they are used for energy. The body already makes enough, and only a limited share of supplemental L-carnitine reaches muscle, so its effect is more modest than marketing suggests. It comes as L-carnitine tartrate, acetyl-L-carnitine (ALCAR) and liquid shots; none has proven fat-burning effects.
CLA (conjugated linoleic acid) is a fatty acid found naturally in meat and dairy, said to affect fat storage through a different mechanism. Human studies show mixed results: some a small difference, many none.
Side Effects and Cautions
Most fat burners contain large amounts of caffeine and similar stimulants, which can cause a racing heart, sleeplessness and anxiety, especially on top of coffee during the day. People with heart or blood pressure conditions should talk to a doctor before using them.
What to Look for When Comparing Prices
Compare caffeine and other active ingredients per serving, as with pre-workouts. Products that list many ingredients at low amounts may be little more than an unproven "proprietary blend".