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Supplements · Fat Burners

FAT BURNERS IN AUSTRALIA

Thermogenics, stimulant-based, and non-stim options — we cut through the marketing and tell you what the evidence actually supports. Most fat burners are overpriced caffeine. Here is what to look for.

Bottom line
Caffeine + a calorie deficit
The most evidence-backed fat loss stack. Everything else is marginal. Save your money on proprietary blends.
See caffeine ingredient guide →
Fat burner types
All Thermogenic Non-stim Appetite suppressant
Fat burner types explained
THERMO
Thermogenic
Stimulant-based. Raises core temperature and metabolic rate. Primarily caffeine-driven. Effective in a deficit but not a substitute for one.
Price range: $40–$90 / tub
NON-STIM
Stimulant-free
Relies on ingredients like L-carnitine, green tea extract, and CLA. Lower effect size than stimulant versions. Better for those sensitive to caffeine.
Price range: $35–$75 / tub
APPETITE
Appetite suppressant
Glucomannan, 5-HTP, and fibre-based products. Can assist adherence to a calorie deficit by reducing hunger. Effect is modest and varies by individual.
Price range: $30–$60 / tub
STACK
Combination products
Multiple mechanisms in one product. Often proprietary blends with underdosed actives. Read the label carefully — most dose individual ingredients below effective thresholds.
Price range: $50–$100 / tub
Key ingredients to look for
200mg+
Caffeine
The most effective and evidence-backed fat loss ingredient. Raises metabolic rate and performance.
500mg+
L-Carnitine
Assists fat transport into mitochondria. More effective in those who are deficient — vegetarians and older adults.
400mg+
Green Tea Extract
EGCG and caffeine combination shows modest thermogenic effect. Synergistic with caffeine.
Avoid
Prop blends
Proprietary blends hide individual doses. If the label doesn't show each ingredient amount, skip it.
What to look for
✓
Transparent label — every ingredient listed with its individual dose. Non-negotiable.
✓
Clinically dosed caffeine — 150–300mg per serve depending on your tolerance. This is the primary active ingredient in most effective fat burners.
✓
Reasonable claims — no reputable product will claim to burn fat without a calorie deficit. If the marketing says otherwise, move on.
✗
Proprietary blends — hiding ingredient doses means you cannot verify whether anything is at an effective level.
✗
Exotic ingredients with no evidence — raspberry ketones, garcinia cambogia, and similar ingredients have little to no human evidence at doses used in supplements.
✗
High price for a caffeine pill — many fat burners are $80+ tubs that deliver 200mg caffeine per serve. You can achieve the same effect far cheaper.