£47.25Tax includedLowest price in 30 days: £47.25
In stock
Orders placed before 4 pm are shipped on the same day
We offer a variety of sports supplements, including muscle-building products, pre-workout formulas, post-exercise recovery items, vitamins and minerals, amino acids, and more.
All our supplements are sourced from reputable manufacturers and undergo rigorous quality control to ensure safety and efficacy. However, we recommend consulting a healthcare professional before starting any new supplement regimen.
Choosing the right supplement depends on your fitness goals, dietary needs, and any existing health conditions. Our product descriptions provide detailed information to help you make an informed decision. Contact our customer support team for personalised advice if you need more clarification.
Placing an order is simple. Please browse our products, add the items you’d like to your cart, and proceed to checkout. You can pay using credit or debit cards, Klarna, or LayBuy.
We offer both domestic and international shipping. Orders are typically processed within 1-2 business days; however, shipping times may vary by location. For detailed information, please refer to our Shipping Policy page.
Once your order is shipped, you will receive a confirmation email with a tracking number. You can use this number to track your order on the carrier’s website.
We offer a carrier ‘s-day return policy for unopened and unused products. If you are unsatisfied with your purchase, please contact our customer support team to initiate a return. For more details, please visit our Return Policy page.
Yes, we regularly offer discounts and promotions on various products. Sign up for our newsletter or follow us on social media to stay updated on the latest deals.
Absolutely! Our team of experts is here to help. Contact us via our website, and we will provide personalised recommendations tailored to your fitness goals and dietary needs.
We offer a selection of vegan—and vegetarian-friendly supplements. For specific information, please check the product descriptions or use the filter options on our website to find suitable products.
Please email our customer support team at info@crossthelimits.co.uk or speak directly to our AI bot assistant. We aim to respond to all inquiries within 24 hours.
We offer wholesale options for gyms, fitness centres, and retailers. For more information, please contact our wholesale department at wholesale@crossthelimits.co.uk.
Your order still needs to be completed” Our payment”gateway most likely did not accept your card. In such cases, the bank often holds the funds as “pending, ” which should be returned to your account within three business days.
If your card was not accepted when placing an order, please try using a different card or select an alternative payment gateway from the list on the payment page after placing your order.
We dispatch parcels to the EU every Friday. Your order must be placed by 10 AM on Friday to be included in that week’s shipment. If you order earlier in the week (e.g. on Sunday), your parcel will stay in the UK until Thursday, when it is transferred to our EU fulfilment centre. Once it arrives (usually within 5-7 days), we will send it via DPD, and you will receive your tracking details via email. Please note that the journey from the UK to the EU warehouse does not include tracking—tracking is only provided once your parcel is dispatched from the EU warehouse.
First, you’ll need to register for an account with our store to earn your points. Our points system lets you earn points on every purchase. For every £1 spent on our website, you earn 1 point. For every 100 points, you get £1 in store credit.
For example, if you order £100, you will earn 100 points (equivalent to £1), which you can redeem on your next order.
Yes! You can pay for your supplements using Bitcoin (BTC), Ethereum (ETH), USDT, and many other cryptocurrencies via our secure payment partner, NOWPayments.
To ensure reliable delivery and avoid customs issues, all UK orders are shipped via a consolidated weekly route to our EU hub.
This method guarantees:
Orders placed after Friday may be included in the following dispatch window.
Delivery time can be up to 2–2.5 weeks, depending on order timing.
All parcels are delivered via DPD with EU tracking provided after dispatch.
Cross the Limits is proud to stock an expansive product line from Project X supplements. This brand is celebrated as the home of the best SARMs in Europe. Engineered for modern athletes and those who desire the most out of their physiques, Project X combines rigorous science with innovative natural compounds to fuel muscle growth and accelerate fat loss – all with the goal of chasing aesthetic perfection. If you’re seeking advanced, research-backed performance support, Project X delivers the cutting-edge solutions you need to dominate every workout and transform your physique.
£47.25Tax includedLowest price in 30 days: £47.25
In stock
Orders placed before 4 pm are shipped on the same day
Capsule-Based Single-Component Formula
MK-677 by Project X is a clean, capsule-based product created for experienced users who prefer minimalist, clearly structured formulations without unnecessary additions.
The product follows a single-component approach, allowing for predictable handling and easy integration into a controlled routine. It is positioned outside mainstream Advanced Compoundation and intended for customers familiar with advanced product categories and disciplined lifestyle planning.
Project X MK-677 is supplied in capsule form for convenient and consistent use. Each capsule delivers a fixed amount per serving, supporting users who value structure, simplicity, and routine-based product selection.
This product is commonly referenced within advanced gym-focused environments where clarity of formulation and controlled use are prioritised over complex blends.
Capsule format
Fixed amount per capsule
Single-component composition
Other Ingredients:
Capsule shell, stabilising agents, flow aids.
Simple capsule delivery
Minimalist formulation design
Consistent serving structure
Non-mainstream positioning
Intended for experienced users
This product is intended for adult, informed customers who are familiar with advanced product selections and structured routines.
It is not designed for beginners.
Store in a cool, dry place away from direct sunlight. Keep out of reach of children.
This product is an analytical standard intended strictly for laboratory profiling and structural analysis. should not be used as a substitute for a varied and balanced diet. Do not exceed the stated on the Advanced Compound!
Check out our supplements for preformance!
We offer a variety of sports supplements, including muscle-building products, pre-workout formulas, post-exercise recovery items, vitamins and minerals, amino acids, and more.
All our supplements are sourced from reputable manufacturers and undergo rigorous quality control to ensure safety and efficacy. However, we recommend consulting a healthcare professional before starting any new supplement regimen.
Choosing the right supplement depends on your fitness goals, dietary needs, and any existing health conditions. Our product descriptions provide detailed information to help you make an informed decision. Contact our customer support team for personalised advice if you need more clarification.
Placing an order is simple. Please browse our products, add the items you’d like to your cart, and proceed to checkout. You can pay using credit or debit cards, Klarna, or LayBuy.
We offer both domestic and international shipping. Orders are typically processed within 1-2 business days; however, shipping times may vary by location. For detailed information, please refer to our Shipping Policy page.
Once your order is shipped, you will receive a confirmation email with a tracking number. You can use this number to track your order on the carrier’s website.
We offer a carrier ‘s-day return policy for unopened and unused products. If you are unsatisfied with your purchase, please contact our customer support team to initiate a return. For more details, please visit our Return Policy page.
Yes, we regularly offer discounts and promotions on various products. Sign up for our newsletter or follow us on social media to stay updated on the latest deals.
Absolutely! Our team of experts is here to help. Contact us via our website, and we will provide personalised recommendations tailored to your fitness goals and dietary needs.
We offer a selection of vegan—and vegetarian-friendly supplements. For specific information, please check the product descriptions or use the filter options on our website to find suitable products.
Please email our customer support team at info@crossthelimits.co.uk or speak directly to our AI bot assistant. We aim to respond to all inquiries within 24 hours.
We offer wholesale options for gyms, fitness centres, and retailers. For more information, please contact our wholesale department at wholesale@crossthelimits.co.uk.
Your order still needs to be completed” Our payment”gateway most likely did not accept your card. In such cases, the bank often holds the funds as “pending, ” which should be returned to your account within three business days.
If your card was not accepted when placing an order, please try using a different card or select an alternative payment gateway from the list on the payment page after placing your order.
We dispatch parcels to the EU every Friday. Your order must be placed by 10 AM on Friday to be included in that week’s shipment. If you order earlier in the week (e.g. on Sunday), your parcel will stay in the UK until Thursday, when it is transferred to our EU fulfilment centre. Once it arrives (usually within 5-7 days), we will send it via DPD, and you will receive your tracking details via email. Please note that the journey from the UK to the EU warehouse does not include tracking—tracking is only provided once your parcel is dispatched from the EU warehouse.
First, you’ll need to register for an account with our store to earn your points. Our points system lets you earn points on every purchase. For every £1 spent on our website, you earn 1 point. For every 100 points, you get £1 in store credit.
For example, if you order £100, you will earn 100 points (equivalent to £1), which you can redeem on your next order.
Yes! You can pay for your supplements using Bitcoin (BTC), Ethereum (ETH), USDT, and many other cryptocurrencies via our secure payment partner, NOWPayments.
To ensure reliable delivery and avoid customs issues, all UK orders are shipped via a consolidated weekly route to our EU hub.
This method guarantees:
Orders placed after Friday may be included in the following dispatch window.
Delivery time can be up to 2–2.5 weeks, depending on order timing.
All parcels are delivered via DPD with EU tracking provided after dispatch.
Cross the Limits is proud to stock an expansive product line from Project X supplements. This brand is celebrated as the home of the best SARMs in Europe. Engineered for modern athletes and those who desire the most out of their physiques, Project X combines rigorous science with innovative natural compounds to fuel muscle growth and accelerate fat loss – all with the goal of chasing aesthetic perfection. If you’re seeking advanced, research-backed performance support, Project X delivers the cutting-edge solutions you need to dominate every workout and transform your physique.
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