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⚡ New launch · Limited stock at introductory price
Stark Supplements · Premium Line

STARK ISO-X DARK CHOCOLATE

★★★★★4.9 — 21 reviews·Verified buyers
💪 30g Protein⚡ 6.2g BCAAs🍫 Dark Chocolate

Premium protein for your routine. 30 g of isolated protein and 6.2 g of BCAAs in every scoop — rich dark chocolate flavor that supports strength, recovery and daily performance.

BEST VALUE
3-Month SupplySave 25%
Billed $102.38 every 12 weeks · $1.36/serving
MOST POPULAR
Monthly SupplySave 15%
Billed $38.68 every 4 weeks · $1.55/serving

Cancel or pause anytime · Free shipping on every order

$45.50≈ $1.82 / serving
25 servings · 2.2 lb (1 kg) · Availability: In Stock
  • 30 g of premium isolated protein in every serving
  • 6.2 g of BCAAs to support muscle recovery
  • Rich dark chocolate flavor — easy to mix
  • Premium quality with clean formula and fast absorption
  • 2.2 lb (1 kg) · 25 servings per container
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💪 30g Premium Isolated Protein·⚡ 6.2g BCAAs per Scoop·🍫 Rich Dark Chocolate Flavor·🔄 Strength · Recovery · Performance·🛡️ 30-Day Guarantee·💪 30g Premium Isolated Protein·⚡ 6.2g BCAAs per Scoop·🍫 Rich Dark Chocolate Flavor·🔄 Strength · Recovery · Performance·🛡️ 30-Day Guarantee·
Rich chocolate. Real support.

4 real supports for your training.

A premium isolated protein formula built around what matters: muscle support, smart recovery, premium quality and daily performance.

💪

Muscle Support

30 g of premium isolated protein per serving to support muscle growth.

🔄

Recovery

6.2 g of BCAAs in every scoop to help support post-training recovery.

💎

Premium Formula

Isolated protein with clean, high-quality ingredients you can trust.

🍫

Rich Chocolate

Premium dark chocolate flavor — easy to mix, deep and satisfying.

Before → Now

The problem → the solution.

The difference between missing your daily protein goal and hitting it every single day.

BEFORE

Less protein in your day

Signals your body may need extra premium protein support to recover properly.

  • – Less protein in your day
  • – Slower recovery
  • – Routine without that extra
  • – Less muscle support
NOW — With Stark ISO-X Dark Chocolate

Rendimiento. Recuperación. Resultados.

A premium isolated protein formula designed to support what your training demands.

  • 30 g of protein per serving
  • Better muscle support
  • Nutrition for your daily routine
  • Rich dark chocolate flavor
Subscribers

Welcome Kit + Monthly Gifts

Each month of your active subscription unlocks an additional gift.

MONTH 1
🎁
Welcome Kit
value $7
MONTH 2
🥤
Stark Shaker
value $12
MONTH 3
🧢
Cap
value $15
MONTH 4
👕
T-Shirt
value $20
MONTH 5
🎒
Gym Bag
value $25
MONTH 6
🏆
Premium Gift Pack
value $35+

Exclusive gifts for subscribers · Pause or cancel anytime

Launch offer

More protein in every scoop.

Save 25% with Subscribe & Save · Cancel anytime · Free shipping on every order.

Backed by

Coaches, trainers & athletes

People who trust Stark ISO-X Dark Chocolate as part of their daily performance stack.

MR
Mauricio Reyes
Strength Coach

"Premium isolated protein with a rich dark chocolate flavor. My athletes love it — mixes clean and hits macros perfectly."

VP
Valeria Perez
Personal Trainer

"30 g of protein and 6.2 g of BCAAs per scoop. The chocolate flavor is genuinely good — not artificial like most."

RB
Rodrigo Bravo
Crossfit Athlete

"Real premium quality. Fast absorption, deep dark chocolate taste, mixes clean. Perfect daily protein for my training."

LG
Laura Garcia
Nutritionist

"Rich chocolate done right. Premium isolate profile with BCAAs — great macro fit for daily training-focused nutrition."

Compare & Decide

Stark vs. Other Brand

How Stark ISO-X Dark Chocolate compares to what the competition offers.

FeatureStark ISO-XOther Brand
💪 Protein per Serving✓ 30 g20–24 g
⚡ BCAAs per Serving✓ 6.2 g4–5 g
🍫 Great Flavor✓ Dark ChocolateArtificial taste
🧪 Lab Tested (GMP)✓ YesUnverified
📅 Servings per container✓ 25 (2.2 lb / 1 kg)15–20
🛡️ Return Guarantee✓ 30 days14 days
Ingredients
Premium isolated protein blend. Natural and artificial Dark Chocolate flavor. Contains: milk. 30 g protein and 6.2 g BCAAs per serving. Net weight: 2.2 lb (1 kg). 25 servings.
How to Take
Mix 1 scoop in 250–300 ml of water, milk or your favorite beverage. Shake or blend for 30 seconds until dissolved. Take once daily, ideally after training.
Certifications
Premium quality with selected ingredients. Lab tested, GMP quality. Formulated for maximum performance and clean taste.

Customer Reviews

★★★★★
4.9 out of 5 · 21 reviews
★★★★★
Hits my protein and recovers me

"It helps me hit my daily protein intake and recover better after training. Excellent dark chocolate flavor."

MC
Martín C.
Verified buyer
★★★★★
Easy to include in my routine

"I easily added it to my routine and feel more support in my daily nutrition. Rich chocolate taste, no aftertaste."

CA
Camila A.
Verified buyer
★★★★★
Real premium quality

"You can feel the premium quality — super fine powder, clean mix, no lumps. Great dark chocolate flavor."

DR
Daniela R.
Verified buyer
★★★★☆
30g protein is a game changer

"Love the 30 g of protein per serving. Real muscle support and the dark chocolate is deep and satisfying."

JT
Jorge T.
Verified buyer
★★★★★
Perfect post workout

"Fast absorption, deep chocolate taste and clean mix. Feels like a real upgrade to my post-workout routine."

AF
Andres F.
Verified buyer
★★★★★
Best chocolate protein I've tried

"Honestly the best chocolate protein I've tried. Tastes like real dark chocolate and hits my macros easily."

LM
Lucia M.
Verified buyer
Join thousands of Stark customers

Rendimiento. Recuperación. Resultados.

Save 25% with Subscribe & Save · 30-day money-back guarantee · Cancel anytime.

Customer Results

What our customers feel

Based on internal Stark customer feedback after 30 days of consistent use.

💪
96%
Muscle Support
felt real muscle support after training
🔄
92%
Faster Recovery
reported better post-training recovery
89%
Daily Performance
supported their daily performance goals
🍫
98%
Great Taste
loved the Dark Chocolate flavor

Results based on self-reported customer feedback. Individual results may vary.

Why Buy From Stark Supplements?

🏆 Premium Isolated Formula

30 g of premium isolated protein and 6.2 g of BCAAs — lab tested, GMP quality, formulated for maximum performance.

🚚 Fast, Secure Shipping

We deliver quickly and safely so you can start supporting your daily performance right away.

✅ Satisfaction Guaranteed

Not fully satisfied? We offer an easy 30-day return policy — worry-free shopping, every time.

🛡️ 30-Day Returns

🚚 Free Shipping

🔒 Secure Checkout

🇺🇸 Made in USA

Frequently Asked Questions

What's in each scoop?

Each 1-scoop serving delivers 30 g of premium isolated protein and 6.2 g of BCAAs — with a great tasting Dark Chocolate flavor.

How do I mix it?

Mix 1 scoop in 250–300 ml of water, milk or your favorite beverage. Shake or blend for 30 seconds until dissolved.

Does it taste good?

Yes. Rich Dark Chocolate flavor — deep, satisfying and not overly artificial. Perfect with milk or oat milk.

How do I subscribe & save?

Choose Subscribe & Save at the top of this page, pick your cadence (monthly or every 3 months), and get 15–25% off. Pause or cancel anytime.

What if it's not right for me?

You're covered by our 30-day return policy on unopened containers — reach out and we'll make it right.

Ready for real performance?

STARK ISO-X DARK CHOCOLATE

Rendimiento · Recuperación · Resultados · 30 g protein · 6.2 g BCAAs · Dark Chocolate.