{"product_id":"hr-labs-defib-440g","title":"HR Labs DEFIB 440g","description":"\u003cp\u003e\u003cstrong\u003eHR Labs DEFIB 440g\u003c\/strong\u003e DEFIB™ is HR Labs' all-in-one high-stimulant pre-workout: a full serving gives 8000 mg of citrulline malate, 3200 mg of beta-alanine, 2500 mg of betaine, 1500 mg of taurine, 1000 mg of acetyl-L-carnitine, 500 mg each of citicoline, juniper berry and PeptiPump™, 400 mg of caffeine, Sabroxy® and SalidroPure™. This listing is the 440 g tub in Lemon Fizz Bombs, Fizzy Bubblegum Bottles or Fizzy Cola Bottles.\u003c\/p\u003e\u003cp\u003eCaffeine contributes to increased alertness and improved concentration and helps to increase endurance performance and endurance capacity (from 3 mg per kg of body weight, taken an hour before exercise). The other ingredients have no authorised health claims and are described neutrally. A half serving gives 200 mg of caffeine. About 20 full servings per tub (tub weight varies by flavour).\u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e400 mg caffeine per full serving (200 mg half)\u003c\/li\u003e\n\u003cli\u003e8 g citrulline malate, 3.2 g beta-alanine, 2.5 g betaine\u003c\/li\u003e\n\u003cli\u003ePeptiPump™, citicoline and acetyl-L-carnitine\u003c\/li\u003e\n\u003cli\u003eSabroxy® and SalidroPure™\u003c\/li\u003e\n\u003cli\u003eAbout 20 full servings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cp\u003eStart with a half serving to assess tolerance. Mix 1 full serving with 300–400 ml of water 20–30 minutes before training. Do not exceed 1 full serving in 24 hours.\u003c\/p\u003e\u003ch3\u003eWho it's for\u003c\/h3\u003e\u003cp\u003eExperienced, healthy adults with a high caffeine tolerance.\u003c\/p\u003e\u003ch3\u003eFlavours\u003c\/h3\u003e\u003cp\u003eLemon Fizz Bombs, Fizzy Bubblegum Bottles, Fizzy Cola Bottles. Choose your flavour from the options above.\u003c\/p\u003e\u003ch3\u003eAllergens\u003c\/h3\u003e\u003cp\u003eContains lentil protein (PeptiPump™). Made in a facility that also handles cereals containing gluten, egg, soya and milk. Recipes can vary by flavour and may change, so always check the label on your pack.\u003c\/p\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cp\u003eHigh caffeine content (400 mg per full serving – the maximum daily caffeine EFSA considers safe for healthy adults from all sources): not recommended for children or pregnant or breastfeeding women; do not consume caffeine from other sources. Beta-alanine may cause a temporary tingling sensation. Juniper should not be used in pregnancy or with kidney disease. Do not use if you have high or low blood pressure, a heart, liver, kidney or thyroid condition, a seizure disorder, diabetes or a psychiatric condition. Do not combine with other sources of caffeine, and avoid within 6 hours of bedtime. Not for under-18s or pregnant or breastfeeding women. Speak to your doctor before use if you have a medical condition or take any medication. Do not exceed the recommended daily dose. Keep out of reach of children. Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct information based on the HR Labs website (hr-labs.co.uk, checked 4 Oct 2026).\u003c\/em\u003e\u003c\/p\u003e","brand":"HR Labs","offers":[{"title":"Lemon Fizz Bombs","offer_id":58879310463350,"sku":"HRL056","price":31.99,"currency_code":"GBP","in_stock":true},{"title":"Fizzy Bubblegum Bottles","offer_id":58882287206774,"sku":"HRL057","price":31.99,"currency_code":"GBP","in_stock":false},{"title":"Fizzy Cola Bottles","offer_id":58882287239542,"sku":"HRL058","price":31.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/8278\/2326\/files\/862a022f49.png?v=1791067889","url":"https:\/\/valkyrie-strength.com\/products\/hr-labs-defib-440g","provider":"Valkyrie Strength","version":"1.0","type":"link"}