Locked In Ultimate EAAs
RECOVER FASTER. STAY LOCKED IN.
Designed to support hydration, endurance, and muscle recovery during training and beyond.
Packed with all 9 essential amino acids (EAAs) plus key electrolytes and patented AstraGin®, this formula fuels muscle recovery, enhances endurance, and keeps you performing at your peak — both in and out of the gym.
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Supports muscle recovery & growth
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Promotes optimal hydration
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Boosts performance & endurance
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Enhances nutrient absorption (AstraGin®)
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Tastes amazing & mixes smooth
KEY INGREDIENTS
9 Essential Amino Acids (EAAs) – Complete muscle recovery and protein synthesis support.
L-Leucine, Isoleucine & Valine (BCAAs) – Reduce fatigue, prevent muscle breakdown, and accelerate repair.
Electrolyte Blend (Sodium, Potassium, Himalayan Salt) – Replenish lost minerals and maintain hydration.
AstraGin® (50mg) – Clinically proven to increase amino acid absorption and nutrient uptake.
HOW TO USE
Mix 1 scoop (13.5g) with 500ml–1L of cold water.
Consume during training to stay hydrated and fuel performance, or throughout the day to support recovery and lean muscle growth.
THE RESULT
Recover faster. Train harder. Stay Locked In.
Your go-to intra-workout for strength, hydration, and performance — no matter the session.
Gas Mark 10 – Locked In
Believe in the man. Believe in the brand.
FREE SHIPPING ON ALL ORDERS OVER £100
UK Shipping
Standard UK delivery takes 2–5 business days once dispatched.
All orders are dispatched from our UK warehouse within 1–3 business days.
During peak periods, dispatch may take up to 5–10 business days.
How are orders shipped?
Orders are shipped from the UK via DPD, Royal Mail, or Evri, depending on the size and weight of the package.
Do you ship internationally?
No — we currently ship within the UK only.
Will I receive tracking information?
Yes. Once your order has shipped, you’ll receive an email containing your tracking details.
If you haven’t received tracking information within 5 business days, please contact us.
My tracking shows “no information available”
Some carriers can take 2–5 business days to update tracking information.
If your order was placed over 5 business days ago and tracking has not updated, please get in touch.
Will my order arrive in one package?
For logistical reasons, items from the same order may occasionally be shipped in separate packages.
Need help?
If you have any other questions, please contact us and we’ll be happy to help.
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KEY BENEFITS
TRIED. TESTED. TRUSTED.
Real feedback from people who put in the work
BUILT BY ROB TAYLOR
Believe in the man. Believe in the brand.
A man who’s lived every rep, every grind, every setback, and every win.
Gas Mark 10 isn’t a brand built in a boardroom — it’s forged through years of discipline, sweat, and relentless drive. Every product reflects the standards Rob trains by.
No shortcuts. No fillers. No games.
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PRODUCT INFORMATION
Frequently Asked Questions
Designed for people who train regularly and want reliable support around performance and recovery.
Usage instructions are listed on the label. Follow the recommended serving size.
Yes. GM10 products are designed to work together. Suggested stacks are shown above.
Yes, when used as directed.
All products are produced to strict quality standards using carefully selected ingredients.