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Dark Labs Built AF

Dark Labs 210 caps

£49.82Tax includedLowest price in 30 days: £49.82

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Forged for strength. Designed to grow. Built AF by Dark Labs is your ultimate muscle-enhancing weapon. Combining clinically studied ingredients like PeptiStrong™, RIPFACTOR®, GG-Gold® and AstraGin®, this innovative formula supports explosive muscle gains, improved recovery, and strength-building — without hormones or stimulants.

Whether you’re entering a bulking phase, need to enhance anabolic recovery, or want a natural edge, Built AF delivers results on every front.

Who Is It For?

  • Natural bodybuilders in need of anabolic support

  • Athletes aiming to improve strength and muscular density

  • Gym-goers during recovery or bulking phases

  • Users are avoiding hormonal or stimulant-based products

Our opinion :

Built AF is one of the most thoughtfully designed natural anabolic formulas we’ve tested. It contains no hormones, SARMs, or stimulants—yet it still delivers noticeable results: fuller muscles, faster recovery, and improved strength after just 2–3 weeks of consistent use.

The combination of PeptiStrong™ and RIPFACTOR® in a single formula is rare—and it works. Expect better training endurance, muscle hardness, and a real edge during your workouts without any crash or jittery side effects. Perfect for anyone looking to enhance their physique naturally, or as a break between more intense cycles.

Ingredient Breakdown (per 7-capsule serving):


PeptiStrong™ (Vicia faba protein hydrolysate)


A patented fava bean protein complex designed to stimulate muscle protein synthesis via mTOR activation. Shown to support muscle growth, reduce catabolism, and speed recovery — all without hormonal ingredients.

RIPFACTOR® (Mangifera indica bark & Sphaeranthus indicus flower extract)


Clinically tested combination of Ayurvedic herbs supporting strength, endurance, and testosterone modulation. Improves nitric oxide levels and muscle performance while decreasing oxidative stress markers.

Trans-Geranylgeraniol (as GG-Gold®)


A rare isoprenoid that supports muscle growth and strength through CoQ10 biosynthesis and mitochondrial energy production. Also aids protein synthesis and overall cellular health.

AstraGin®


Enhances nutrient uptake by improving gut absorption of amino acids, peptides, and plant extracts. Amplifies the bioavailability of other actives in the formula for maximum performance.

Dosage – Timing – Follow-Up


Dosage:Take seven capsules daily, preferably post-workout or in the morning on rest days. Can be taken with food or on an empty stomach.
Cycle Length:8–12 weeks recommended with a 4-week break.
Follow-Up:No PCT required. You may stack with creatine, amino acids, or non-hormonal test boosters for synergy.

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Need help?

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.

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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.

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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:

  • No customs delays
  • No VAT or duty on delivery
  • One fixed shipping fee (£15)

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.

Dark Labs

Dark Labs

Dark Labs is renowned for producing premium supplements tailored for individuals seeking to push beyond their physical limitations. Their products are meticulously formulated to support muscle building, enhance workout performance, and promote overall wellness. Dark Labs provides bodybuilders, powerlifters, fitness enthusiasts, and active people the tools to help them achieve their fitness goals safely and effectively.

Cross The Limits is listed as an official Dark Labs partner in the United Kingdom, making us a trusted source for original products in the UK and Europe.