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Theatrim by Purus Labs is a modern, intelligent thermogenic formula that surpasses conventional caffeine-based fat burners. Designed to deliver clean, sustained energy, elevated mood, and mental clarity without a crash, Theatrim combines TeaCrine®, Infinergy™ (caffeine malate), SAMe, and natural extracts for a balanced and highly functional experience.
This isn't a stim-loaded bomb — it's a sit-stated capsule-based product that targets thermogenesis, focus, and mood in one. Whether you're looking to lose weight, need an all-day drive, or want mental performance without burnout, Theatrim gives you a powerful yet smooth edge.
After multiple uses and customer feedback, it's clear that it's built for people who want more than just a quick caffeine spike. The combination of TeaCrine and caffeine malate provides a stable, extended energy curve without the crash, which our customers often describe as "clean and focused."
Many users report a significant improvement in mood, enhanced productivity, and improved mental clarity throughout the day without engaging in any physical workouts. The addition of SAMe is particularly beneficial in this context as it supports motivation and reduces mental fatigue during periods of calorie restriction or extended workdays.
In short, it's one of the few things you can function on all day — no anxiety, no heart-pounding discomfort, just dialled-in focused energy. Whether used for fat loss, nootropic benefits, or both, Theatrim delivers in a calm, professional way that we appreciate.
Purus Labs Theatrim is an excellent fit for:
Individuals looking for a fat burner that works beyond caffeine alone
People who experience crashes or anxiety with traditional high-stimulant thermogenic
Athletes and professionals want clean energy, elevated focus, and mood support
Anyone combining fat loss goals with productivity and cognitive clarity
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.
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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:
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.
Purus Labs is an industry-leading brand engineered for the elite athlete, with “premium supplements for those who expect more from every scoop.”
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