A stim-free fat burner is a caffeine-free option for people who are sensitive to stimulants, train at night or already drink plenty of coffee. Our picks are EHP Labs OxyShred Non-Stim for a full formula, Evogen Carnigen and Nutrex Liquid Carnitine 3000 for carnitine, and Beast Labs Acetyl L-Carnitine for value. Be realistic, though: the NIH says the evidence for most weight-loss ingredients is limited, and none of them work without a calorie deficit.
Stim-free fat burners compared
| Product | What is in it | Price |
|---|---|---|
| EHP Labs OxyShred Non-Stim | Acetyl L-carnitine, L-carnitine tartrate, theacrine, garcinia, CLA, B vitamins, vitamin C | $74.95 |
| Evogen Carnigen | Four forms of carnitine, vitamin B6, calcium, magnesium, black pepper extract | $79.95 |
| Nutrex Liquid Carnitine 3000 | 3,000 mg L-carnitine per 15 mL | From $49.95 |
| Beast Labs Acetyl L-Carnitine | Acetyl L-carnitine powder | $39.95 |
| EHP Labs Acetyl L-Carnitine | Acetyl L-carnitine powder | $44.95 |
A note on "stim-free"
OxyShred Non-Stim contains no caffeine, but it does use theacrine, which EHP Labs describes as a mild stimulant, and it also lists huperzine A. If you want zero stimulants, the carnitine-only products are the cleanest choice. Always read the full label.
What does the evidence say?
- Carnitine helps move fatty acids into cells to be used for energy. Your body makes enough for most healthy people, and the NIH says supplements have not consistently improved exercise performance in healthy people. Studies on weight loss show small effects at best.
- Garcinia cambogia, CLA and raspberry ketones are covered in the NIH weight-loss fact sheet, which describes the evidence as limited, with small or no effects on weight.
- What works best is a modest calorie deficit, enough protein, resistance training and sleep. A fat burner is an extra.
Who should choose stim-free?
- People who train in the evening and do not want caffeine affecting sleep.
- Anyone sensitive to stimulants, or who already drinks two or three coffees a day.
- People with high blood pressure, heart conditions or anxiety, after checking with their doctor.
Our picks
Best all-in-one: OxyShred Non-Stim. Best carnitine: Carnigen or Nutrex Liquid Carnitine 3000. Best value: Beast Labs Acetyl L-Carnitine. For the full picture, read our honest fat burner guide and L-carnitine guide.
How our price compares
Here is what the same products cost at other Australian supplement stores, so you can check the difference yourself.
| Product | Supps247 | Nutrition Warehouse | ASN | Elite Supps | Supplement Mart |
|---|---|---|---|---|---|
| OxyShred Non-Stim (60 serves) | $74.95 | $79.95 | $69.95 (sale) | $81.90 | $79.95 |
| Evogen Carnigen powder | $79.95 | $51.96 (sale, out of stock) | Not listed | Not listed | Not listed |
| Nutrex Liquid Carnitine 3000 | $69.95 | Not listed | Not listed | Not listed | Not listed |
| Beast Labs Acetyl L-Carnitine 100 g | $39.95 | Not listed | Not listed | Not listed | Not listed |
| EHP Labs Acetyl L-Carnitine | $44.95 | $44.95 | $44.95 | $45.90 | $44.95 |
Supps247 prices come from our website. Other prices were checked on the websites of Nutrition Warehouse, Australian Sports Nutrition (ASN), Elite Supps and Supplement Mart on 26 October 2026 (same product and size, price for one unit) and can change at any time. Sale means it was on sale that day. Not listed means we could not find that exact product and size on their site. Supps247 members can use our Price Match Guarantee against Nutrition Warehouse, ASN, Elite Supps and Supplement Mart: we beat their full price by 5% or match their sale price (conditions apply).
Shop the products in this guide
OxyShred Non-Stim$74.95
Evogen Carnigen$79.95
Nutrex Liquid Carnitine 3000$49.95
Beast Labs Acetyl L-Carnitine$39.95
Browse the L-carnitine range and all fat burners.
FAQs
Do stim-free fat burners work?
They can support a diet, but the evidence for most ingredients, including carnitine, garcinia and CLA, is limited and shows small effects at best. Fat loss comes from a calorie deficit. A stim-free product is mainly useful if you want a fat-loss supplement without caffeine.
What is the best non-stim fat burner in Australia?
For an all-in-one formula, EHP Labs OxyShred Non-Stim is our pick, although it contains theacrine, a mild stimulant, and huperzine A. For zero stimulants, carnitine products such as Evogen Carnigen or Nutrex Liquid Carnitine 3000 are the cleanest options.
When should I take L-carnitine?
Follow the label. Nutrex suggests taking Liquid Carnitine 3000 between meals or 30 minutes before training. Taking it consistently with a balanced diet and exercise matters more than the exact timing.
Are stim-free fat burners safe?
They avoid the side effects of caffeine, but they are not risk-free. Check the full label, stay within the directions, and speak to your doctor first if you take medication, have a medical condition or are pregnant or breastfeeding.
Sources: NIH Office of Dietary Supplements, supplements for weight loss; NIH Office of Dietary Supplements, carnitine; product labels and brand nutrition panels, checked October 2026.
Order online with Australia-wide delivery, free on orders of $99.99 or more, or visit a Supps247 store in Melbourne, regional Victoria or Brisbane to compare products in person. Members can use our member price match on full-priced items.
Prices and stock were checked on 22 October 2026 and can change at any time. Always read the label and follow the directions for use. If you have a medical condition, are pregnant or take regular medication, check with your doctor first.
