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Performance Essentials STR8 Fire Capsules
Performance Essentials STR8 Fire — High-Intensity Thermogenic, 60 Capsules
STR8 Fire is a high-intensity thermogenic built for experienced users. Strong stimulant-driven energy, elevated metabolic output and training drive, in a capsule format that needs no mixing. 60 capsules. In stock at TopDog Nutrition.
What Thermogenic Actually Means
Thermogenesis is heat production, and producing heat costs energy. A thermogenic supplement aims to raise your body's heat output slightly, which increases the calories you burn at rest.
The effect is real but modest — worth being clear about that. A thermogenic doesn't create a calorie deficit; it makes a deficit you're already running slightly easier to hold, and rather more bearable to train through.
Where It Genuinely Helps
- Energy when you're under-fuelled. This is the main reason people use thermogenics during a cut. Low calories mean low energy, and low energy means worse sessions and a higher chance of quitting. Stimulants bridge that gap.
- Appetite management. The catecholamine response that stimulants trigger suppresses appetite as part of the acute stress response, which makes holding a deficit easier.
- Training drive and focus. Many people use STR8 Fire as a pre-workout during a cutting phase — it covers the stimulant role without a separate product.
- Metabolic support. Increased heat production adds a small amount to daily energy expenditure.
Built for Experienced Users
This is not a starting point. STR8 Fire is a high-stimulant formula, and if you don't already have caffeine tolerance from coffee or pre-workouts, it will be uncomfortable rather than useful.
Practical rules if you're using it:
- Start with a reduced dose — assess tolerance before the full serving.
- Take the last serve well before evening. Caffeine has a 5–6 hour half-life, and losing sleep to a fat burner is counterproductive: poor sleep raises ghrelin and lowers leptin, which makes you hungrier the next day.
- Count total stimulants across coffee, pre-workout and everything else.
- Don't run it indefinitely. Tolerance builds, and most people use a thermogenic through a focused phase then take a break to reset.
The Capsule Format
No mixing, no shaker, no flavour to get tired of. Capsules travel and get taken consistently — which matters, because a fat loss phase runs for weeks and the supplement only helps if you're actually taking it.
Directions
Take as directed on the label. Assess tolerance with a reduced dose first.
Not suitable if you're pregnant, breastfeeding, under 18, or sensitive to stimulants. Consult your doctor before use if you take medication or have a heart or blood pressure condition. Don't take within 6–8 hours of bed.
Frequently Asked Questions
Will it burn fat without dieting?
No. Fat loss comes from a calorie deficit. A thermogenic makes the deficit easier to sustain by supporting energy and appetite — it doesn't replace it.
Can I use it as a pre-workout?
Many people do during a cut. Don't stack it with a separate caffeinated pre-workout on the same day.
How long should I run it?
Through a focused fat loss phase rather than continuously. Stimulant tolerance builds, and breaks reset your sensitivity.
Is it stronger than other fat burners?
It's positioned at the high-intensity end and built for experienced users. If you're new to thermogenics, start at a reduced dose or choose something gentler.
Shipping & Returns
FREE SHIPPING ON ALL ORDERS $60 AND OVER
TopDog charges a flat rate of $3.90 for shipping on all orders under $60. If your order equals more than $60 shipping is FREE. Additional charges on all orders apply for Rural or Signature Deliveries.
RURAL $6.90 surcharge applies Alternatively you could send to a town or workplace that is not a rural delivery address.
SIGNATURE REQUIRED $2.00 surcharge applies
At TopDog we're committed to giving you the best possible deals on high-quality supplements.
As a proud, small, New Zealand-based company, we work hard to source products at the lowest cost. This focus on maximum savings over massive inventory means our shipping times are a little different:
- Standard Delivery Time: 2-7 Working Days
- Why the range? This timeframe allows us to source your items efficiently while securing the low prices you love.
We promise we're doing our absolute best to get your order to you as quickly as possible— we never intentionally delay orders. Your patience helps us keep our prices competitive!
Shipping & Returns
FREE SHIPPING ON ALL ORDERS $60 AND OVER
TopDog charges a flat rate of $3.90 for shipping on all orders under $60. If your order equals more than $60 shipping is FREE. Additional charges on all orders apply for Rural or Signature Deliveries.
RURAL $6.90 surcharge applies Alternatively you could send to a town or workplace that is not a rural delivery address.
SIGNATURE REQUIRED $2.00 surcharge applies
At TopDog we're committed to giving you the best possible deals on high-quality supplements.
As a proud, small, New Zealand-based company, we work hard to source products at the lowest cost. This focus on maximum savings over massive inventory means our shipping times are a little different:
- Standard Delivery Time: 2-7 Working Days
- Why the range? This timeframe allows us to source your items efficiently while securing the low prices you love.
We promise we're doing our absolute best to get your order to you as quickly as possible— we never intentionally delay orders. Your patience helps us keep our prices competitive!
Returns
If you discover any defect in your product, you may within 5 days of delivery return the item in new condition for a replacement. If a replacement is not available we may at our discretion provide a refund. All clearance products are non-refundable and are marked as such on the product listing & collection page. You will be notified by email of the status of the replacement. For any claim to be made the item must be sent to our current shipping address as provided by emailing info@topdognutrition.co.nz.
Returns
If you discover any defect in your product, you may within 5 days of delivery return the item in new condition for a replacement. If a replacement is not available we may at our discretion provide a refund. All clearance products are non-refundable and are marked as such on the product listing & collection page. You will be notified by email of the status of the replacement. For any claim to be made the item must be sent to our current shipping address as provided by emailing info@topdognutrition.co.nz.
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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, AfterPay, Klarna, Zip & More.
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