— CLEAN FUEL. DAILY FIBER. ZERO CLUTTER.
Your Morning Coffee, Upgraded With 5g Fiber.
Premium organic instant coffee meets 5g of slow-fermenting prebiotic fiber. Zero-grit, zero-bloat daily regularity.
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30 Daily Servings
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5g Fiber
30 Daily Servings
5g Fiber
STARK Coffee + Fiber
STARK Coffee + Fiber
Premium Instant Arabica with 5g Prebiotic Fiber per Cup.
A morning ritual that works. Most fiber makes you bloated and gassy almost immediately. STARK Coffee is different — 100% freeze-dried organic Arabica stacked with 5g of slow-fermenting PHGG prebiotic fiber. It dissolves smooth, tastes like real coffee, and slips into the one habit you never skip.
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(Enjoy our 100 day money back guarantee. Less than 0.5% of users ask for their money back
2 years factory warranty
FLUX dissolves perfectly, tastes like nothing, and keeps my morning routine lighter without uncomfortable bloating.
Sarah J.
One scoop mixes fast in water, making daily fiber easy, clean, and surprisingly gentle overall.
Daniel Carter
The clear formula feels premium, simple, and consistent, leaving no grit or heavy texture behind.
Emily Brooks
Dissolves 100% Smooth.
STARK Coffee disappears into your cup. No chalky residue. No sludge at the bottom. No gritty aftertaste. Just rich freeze-dried Arabica Coffee with 5g of invisible prebiotic fiber — the easiest daily habit you'll ever have.
The Morning Bloat Cycle
A 60-second swap that fixes the two things wrecking your morning.
Chalky fiber at night
Choking down clumpy synthetic inulin fiber or gritty psyllium fiber in a shaker cup after dinner. You'll skip it by Thursday.
The Build
Coffee floods your empty stomach with acid, triggering the burn, cramp, and bloat you blame on everything else.
The Daily Goal
Premium coffee with 5g of fiber in every cup helps you reach your daily fiber goal before you leave the kitchen.
The Best Fiber Is the One You Actually Remember to Take.
THE OLD WAY
- Pills to remember
- Gritty powders to mix
- Shaker bottles to clean
- Easy to skip
- Usually taken at night
One habit. Two daily benefits.
THE STARK WAY
- Tear one sachet
- Add hot water
- Stir and enjoy
- Daily fiber done
- Before your day begins
Replace your usual morning coffee with STARK and check off your daily fiber before your day begins.
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Subscribe & Save on Your Daily Coffee + Fiber
Coffee + Fiber in One Cup
Each sachet combines premium organic instant coffee with 5g of fiber, giving you both in one simple morning drink.
Quick and Convenient
Empty one sachet into your cup, add hot water, stir, and enjoy a consistently measured serving in seconds.
30 Daily Servings
Each box contains 30 single-serve sachets, providing a convenient one-month supply for your daily routine.
Subscribe and Save
Get your 30-serving monthly box for $39.95 with subscription delivery instead of the regular $49.95 one-time purchase price.
5g Prebiotic Fiber
Invisible. Tasteless. Slow-fermenting fiber that supports digestive regularity without the bloating.
What's inside every stark sachet
3g Organic Coffee
Rich, smooth flavor with high crema and zero bitterness. Sourced from premium high-altitude farms.
30 SERVINGS
Per Box
5g FIBER
Per Cup
3g COFFEE
Per Sachet
CONVENIENT
On-The-Go
NET WEIGHT
240g (8.46 oz)
Why the others don't work.
21-day calibration plan
Dissolves 100% clear
Stainless steel, double-sided
Engineered to avoid triggers
Companion optimized
Fuel your morning with clean daily fiber.
STARK Premium Instant Coffee + Prebiotic Fiber is built for the routine you already have. Tear, pour, stir, drink — a premium coffee cup and your full 5g of daily fiber, done in under a minute.
Crafted for modern routines, STARK helps you enjoy rich coffee flavor and daily fiber support in one effortless cup.
A sachet built to travel.
Forget bulky tubs and shaker bottles. Every STARK box holds 30 single-serve stick packs — same uniform 3g coffee + 5g fiber payload every time. Drop one in your bag, your desk, your carry-on. Your morning ritual travels with you.
Technical specifications
From Our Customers
Frequently Asked Questions
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