We wrongly call them “fat burners,” and we need to start talking about them by their real mission: they are supplements for weight and fat loss. The word “burner” often creates confusion and misinterpretations of these types of products.
And I say supplement because we must start from the premise that the person using them must maintain a healthy diet, meaning:
- Free from ultra-processed foods.
- With a caloric deficit (calories consumed/calories expended) of at least 200 – 500 calories per day.
- Engaging in physical exercise.
Based on that, let's talk about the benefits that thermogenics provide us. And the truth is, when used correctly, they are great allies.
L-Carnitine
Of all the weight loss supplements available on the market, L-Carnitine is the best known. It is stimulant-free, and its mission is to transport fat more quickly to be used as energy. Additionally, it saves muscle glycogen, protecting the muscle from fatigue and wear, which is why it is also used in endurance and long-duration sports.
Weider offers several formats depending on your needs and preferences:
- Capsule: L-Carnitine Caps
- Chewable tablets: L-Carnitine Tablets
- Drink: L-Carnitine Water
- Concentrated vials L-Carnitine Liquid

Ultra Burner
But if you want an extra boost in your weight loss goal, there are other supplements that speed up your metabolism, give you energy before your workouts, and naturally help with sweet cravings.
We are talking about the new Ultra Burner, an effective weight loss supplement, latest generation and highest quality, with a perfect combination of natural ingredients.

Each capsule contains:
- Chromium: helps regulate blood sugar levels and sweet cravings.
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Vitamin B6:
- Involved in the transformation of muscle and liver glycogen into glucose.
- Helps maintain a good mood.
- Improves and maintains correct energy metabolism.
- Promotes the synthesis of enzymes, hormones, and proteins.
- L-Tyrosine: increases mental agility and clarity, improves concentration.
- L-Tryptophan: improves mood, combats stress, and enhances athletic performance.
- Caffeine: natural energizer and stimulant, speeds up metabolism, promotes fat metabolism.
- Cayenne: speeds up metabolism and fat burning, aids digestion, increases body temperature.
- Green tea: increases thermogenesis, speeds up metabolism, natural diuretic.
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Bioperine (black pepper extract):
- Improves digestion, reduces gas.
- Lowers cholesterol.
- Anti-inflammatory.
- Increases and improves the absorption of other ingredients.
- Antioxidant.
How to take it
- You can take one capsule on an empty stomach and another before lunch.
- I recommend 2 capsules half an hour before physical exercise. You can start with a single capsule to gauge your tolerance to stimulants and then increase to two.
- On non-training days, you can take 1 capsule on an empty stomach before your main meal to keep your metabolism active along with your weight loss eating plan.
No more excuses, it all starts with you, at Weider we are with you to help!

Nutritionist and personal trainer.



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