{"title":"Pump Pre-Workout","description":"\u003cp\u003eCompare pump pre-workouts on the ingredients and amounts inside, whether they contain caffeine, and the cost per full-strength serving. \"Pump\" is the word people search for, not a promise: we show what's in each type of product and what the research does and doesn't support.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/pre-workout\"\u003eAll pre-workout\u003c\/a\u003e · \u003ca href=\"\/collections\/stim-free-pre-workout\"\u003eStim-free pre-workout\u003c\/a\u003e · \u003ca href=\"\/collections\/citrulline-pump-formulas\"\u003eCitrulline\u003c\/a\u003e · \u003ca href=\"\/collections\/high-stimulant-pre-workout\"\u003eHigh-stim pre-workout\u003c\/a\u003e · \u003ca href=\"\/collections\/pre-workout-shots\"\u003ePre-workout shots\u003c\/a\u003e · \u003ca href=\"\/collections\/beta-alanine\"\u003eBeta-alanine\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eWhat is a pump pre-workout?\u003c\/h2\u003e\n\u003cp\u003eA pump pre-workout is a product marketed for the \"pump\", the full, tight feeling in a muscle during resistance training. The products in this collection are mostly built around citrulline, arginine (including AAKG, arginine alpha-ketoglutarate), glycerol and beetroot, and some also contain caffeine.\u003c\/p\u003e\n\u003cp\u003e\"Pump\" isn't a regulated term or an authorised health claim. There is no permitted claim for citrulline, arginine, nitrate or beetroot in the \u003ca href=\"https:\/\/www.legislation.gov.uk\/eur\/2012\/432\/annex\"\u003eGB register of authorised health claims\u003c\/a\u003e, so we describe the ingredients rather than what a product will do for you.\u003c\/p\u003e\n\u003ch2\u003eWhat ingredients are in pump supplements?\u003c\/h2\u003e\n\u003cp\u003eThe most common are citrulline (often as citrulline malate), arginine or AAKG, glycerol and nitrates from beetroot. Many also add beta-alanine, taurine or caffeine.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eIngredient\u003c\/th\u003e\n\u003cth\u003eWhat the review evidence says\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCitrulline\u003c\/td\u003e\n\u003ctd\u003eAmounts in pre-workouts are generally far lower than those that have shown effects in studies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArginine\u003c\/td\u003e\n\u003ctd\u003eMost evidence suggests limited effect on blood flow or exercise performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNitrate (beetroot)\u003c\/td\u003e\n\u003ctd\u003eAppears to help endurance and high-intensity exercise at 300mg or more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBeta-alanine\u003c\/td\u003e\n\u003ctd\u003eStudied at 4 to 6g a day for at least two to four weeks; can cause tingling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCaffeine\u003c\/td\u003e\n\u003ctd\u003eWell studied at moderate doses; side effects rise with the dose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe citrulline, arginine and nitrate summaries come from a \u003ca href=\"https:\/\/link.springer.com\/article\/10.1186\/s12970-018-0247-6\"\u003ereview of multi-ingredient pre-workout supplements\u003c\/a\u003e in the Journal of the International Society of Sports Nutrition. The beta-alanine row is from the \u003ca href=\"https:\/\/link.springer.com\/article\/10.1186\/s12970-015-0090-y\"\u003eISSN beta-alanine position stand\u003c\/a\u003e, and the caffeine row from the \u003ca href=\"https:\/\/link.springer.com\/article\/10.1186\/s12970-020-00383-4\"\u003eISSN caffeine position stand\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eDoes pre-workout give you a pump?\u003c\/h2\u003e\n\u003cp\u003eThe research doesn't let us promise that. The pump is a feeling during training, and the review evidence for the classic \"pump\" ingredients is mixed: arginine shows limited effect, and citrulline is usually included at lower amounts than studies have used.\u003c\/p\u003e\n\u003cp\u003e\"Adding more ingredients doesn't automatically make a product more effective. Each ingredient needs a clear purpose, an appropriate dose and evidence supporting its intended use,\" says Andy Arshad, who runs SupplementHQ. Compare the amounts on the label with the research amounts above.\u003c\/p\u003e\n\u003ch2\u003eAre pump pre-workouts stim-free?\u003c\/h2\u003e\n\u003cp\u003eSome are and some aren't. This collection includes both stim-free pump products and pre-workouts that combine pump ingredients with caffeine, so check the label before you buy.\u003c\/p\u003e\n\u003cp\u003eProducts with added caffeine must state it: the label must carry \u003ca href=\"https:\/\/www.legislation.gov.uk\/eur\/2011\/1169\/annex\/III\"\u003e\"Contains caffeine. Not recommended for children or pregnant women\"\u003c\/a\u003e, with the caffeine per daily portion. If caffeine is listed, add it to your daily total; EFSA says \u003ca href=\"https:\/\/www.efsa.europa.eu\/en\/topics\/topic\/caffeine\"\u003eup to 400mg a day, spread through the day, and single doses up to 200mg\u003c\/a\u003e do not raise safety concerns for healthy adults, apart from pregnant women. For caffeine-free options, see \u003ca href=\"\/collections\/stim-free-pre-workout\"\u003estim-free pre-workouts\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eCan you take a pump pre-workout with a regular pre-workout?\u003c\/h2\u003e\n\u003cp\u003ePeople do combine them, but check both labels first so you don't double up on caffeine or other ingredients. A pump product with caffeine plus a caffeinated pre-workout can take you past the single-dose figure in one go.\u003c\/p\u003e\n\u003cp\u003eThe UK government's advice is to \u003ca href=\"https:\/\/www.gov.uk\/government\/publications\/food-supplements-containing-caffeine\/food-supplements-containing-caffeine\"\u003econsider the cumulative amount of caffeine from all caffeinated products\u003c\/a\u003e, including tea, coffee and energy drinks. If one product is stim-free, the caffeine question doesn't arise, but check for overlapping ingredients such as beta-alanine.\u003c\/p\u003e\n\u003ch2\u003eProprietary blend or fully dosed label?\u003c\/h2\u003e\n\u003cp\u003eA fully disclosed label lists the amount of every ingredient; a proprietary blend gives one total for several ingredients. The pre-workout review notes \u003ca href=\"https:\/\/link.springer.com\/article\/10.1186\/s12970-018-0247-6\"\u003ewidespread use of proprietary blends that don't disclose specific amounts\u003c\/a\u003e, which makes it hard to tell whether a product contains the amounts used in research.\u003c\/p\u003e\n\u003cp\u003e\"Some brands also use proprietary blends, making it difficult to establish exactly how much of each active ingredient you're getting. Others clearly disclose their ingredient quantities, making comparisons much easier,\" says Andy.\u003c\/p\u003e\n\u003ch2\u003eHow do you compare value on pump supplements?\u003c\/h2\u003e\n\u003cp\u003eWork out the cost per full-strength serving, then the cost of the ingredient you care about. That's simplest with single-ingredient products, such as \u003ca href=\"\/collections\/citrulline-pump-formulas\"\u003ecitrulline powders\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to compare value\u003c\/strong\u003e (example figures, not real products): a £30 pump pre-workout with 25 servings costs £1.20 a serving and lists 4g of citrulline per serving. A £15 tub of citrulline powder with 50 servings of 4g costs 30p for the same 4g. The pre-workout contains other ingredients too, so it isn't a like-for-like swap, but the sums show what you pay for each part.\u003c\/p\u003e\n\u003ch2\u003eIs pump pre-workout safe?\u003c\/h2\u003e\n\u003cp\u003eThe pre-workout review found these products \u003ca href=\"https:\/\/link.springer.com\/article\/10.1186\/s12970-018-0247-6\"\u003eappear relatively safe in studies, though most lasted less than eight weeks\u003c\/a\u003e, and warned that some formulations may contain banned substances as ingredients or contaminants.\u003c\/p\u003e\n\u003cp\u003eFollow the directions on the label. If you have a medical condition, take medication (including blood-pressure medication), or are pregnant or breastfeeding, speak to your GP or pharmacist before using any pre-workout. Compare the whole range in our \u003ca href=\"\/collections\/pre-workout\"\u003epre-workout guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003eWe sell the products on this page. That's our commercial interest, and it's why we show the evidence alongside them. This page is \u003ca href=\"\/pages\/health-information-disclaimer\"\u003egeneral information for adults, not personalised medical advice\u003c\/a\u003e. Food supplements should not replace a varied, balanced diet.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWritten by \u003ca href=\"\/pages\/about-us\"\u003eAndy Arshad\u003c\/a\u003e, SupplementHQ. Last reviewed 11 October 2026.\u003c\/em\u003e\u003c\/p\u003e","products":[{"product_id":"applied-nutrition-abe-pump","title":"Applied Nutrition ABE Pump","description":"\u003cp\u003eApplied Nutrition ABE Pump is the stimulant-free version of ABE. There is no caffeine in it, which makes it a genuine option for evening training, and it stacks with a stimulant pre-workout if you want both.\u003c\/p\u003e\n\u003cp\u003eThe formula centres on citrulline — check the label for the amount per serving.\u003c\/p\u003e\n\u003ch3\u003eWhy choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompletely stimulant-free — no caffeine\u003c\/li\u003e\n\n\u003cli\u003eStacks with a caffeinated pre-workout if you want energy too\u003c\/li\u003e\n\u003cli\u003e500g tub in five flavours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eMix one scoop with 400–500ml of cold water and take 20–30 minutes before training. Can be combined with a stimulant pre-workout.\u003c\/p\u003e","brand":"Applied Nutrition","offers":[{"title":"500g \/ Blue Razz","offer_id":58283643699531,"sku":"5056555204290","price":27.94,"currency_code":"GBP","in_stock":true},{"title":"500g \/ Red Hawaiian","offer_id":58283643732299,"sku":"5056555204306","price":27.94,"currency_code":"GBP","in_stock":true},{"title":"500g \/ Slush Puppie","offer_id":58283643765067,"sku":"5056555211526","price":27.94,"currency_code":"GBP","in_stock":true},{"title":"500g \/ Slush Puppie Twisted Citrus","offer_id":58283643797835,"sku":"5056555214732","price":27.94,"currency_code":"GBP","in_stock":true},{"title":"500g \/ Tigers Blood","offer_id":58283643830603,"sku":"5056555204313","price":27.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1077\/4937\/6331\/files\/image_2026-04-15_69df70bf716e9.jpg?v=1787910438"},{"product_id":"applied-nutrition-abe-pump-shot","title":"Applied Nutrition ABE Pump Shot","description":"\u003cp\u003eABE Pump Shot is the stimulant-free ABE Pump formula in a ready-to-drink 100ml shot. No caffeine, so it is an option if you train late and want to avoid caffeine.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStimulant-free pump formula, ready to drink\u003c\/li\u003e\n\u003cli\u003eNo caffeine\u003c\/li\u003e\n\u003cli\u003eStacks with any caffeinated pre-workout\u003c\/li\u003e\n\u003cli\u003eBox of 12 x 100ml shots\u003c\/li\u003e\n\u003cli\u003eNothing to mix\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eDrink one shot 20–30 minutes before training. Can be combined with a stimulant pre-workout.\u003c\/p\u003e","brand":"Applied Nutrition","offers":[{"title":"12 x 100ml \/ Cherry Cola","offer_id":58283647598923,"sku":"5056555211588","price":21.8,"currency_code":"GBP","in_stock":true},{"title":"12 x 100ml \/ Citrus Twist","offer_id":58283647631691,"sku":"5056555211595","price":21.8,"currency_code":"GBP","in_stock":true},{"title":"12 x 100ml \/ Strawberry Lime","offer_id":58283647664459,"sku":"5056555211601","price":21.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1077\/4937\/6331\/files\/image_2025-11-27_6928203914b8d.jpg?v=1787910469"},{"product_id":"ostrovit-a-akg","title":"OstroVit A-AKG","description":"\u003cp\u003eOstroVit A-AKG is pure arginine alpha-ketoglutarate — a single-ingredient nitric oxide precursor with no caffeine, no proprietary blend and nothing else in the tub.\u003c\/p\u003e\n\u003cp\u003eBecause it is stimulant-free, it suits evening sessions and stacks with anything.\u003c\/p\u003e\n\u003ch3\u003eWhy choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePure A-AKG — no fillers, no stimulants\u003c\/li\u003e\n\n\u003cli\u003eCaffeine-free, so it works at any time of day\u003c\/li\u003e\n\u003cli\u003eStacks with a pre-workout, creatine or anything else\u003c\/li\u003e\n\u003cli\u003e200g tub — Lemon, Orange or unflavoured Natural\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eMix one serving with 200–300ml of water and take 30 minutes before training on an empty stomach.\u003c\/p\u003e","brand":"OstroVit","offers":[{"title":"200g \/ Lemon","offer_id":58283658182987,"sku":"5902232611618","price":9.37,"currency_code":"GBP","in_stock":true},{"title":"200g \/ Natural (Unflavoured)","offer_id":58283658215755,"sku":"5902232610314","price":9.37,"currency_code":"GBP","in_stock":true},{"title":"200g \/ Orange","offer_id":58283658248523,"sku":"5902232610321","price":9.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1077\/4937\/6331\/files\/image_2025-02-14_67af2965291ed.jpg?v=1787910707"},{"product_id":"trec-nutrition-aakg-powder","title":"Trec Nutrition AAKG Powder","description":"\u003cp\u003eTrec Nutrition AAKG Powder is a single-ingredient arginine alpha-ketoglutarate supplement in a 240g tub. No stimulants, no blends — just the nitric oxide precursor.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePure AAKG powder — no stimulants or fillers\u003c\/li\u003e\n\u003cli\u003eContains arginine — see the label for amounts per serving\u003c\/li\u003e\n\u003cli\u003eCaffeine-free, suitable for evening training\u003c\/li\u003e\n\u003cli\u003eMixes into water in seconds\u003c\/li\u003e\n\u003cli\u003e240g tub in three flavours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eMix one serving with 200–300ml of water and take 30 minutes before training, ideally on an empty stomach.\u003c\/p\u003e","brand":"Trec Nutrition","offers":[{"title":"240g \/ Grapefruit","offer_id":58283659100491,"sku":"5902114040376","price":16.99,"currency_code":"GBP","in_stock":true},{"title":"240g \/ Lemon","offer_id":58283659133259,"sku":"5902114040383","price":16.99,"currency_code":"GBP","in_stock":true},{"title":"240g \/ Orange","offer_id":58283659166027,"sku":"5902114040390","price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1077\/4937\/6331\/files\/image_2022-03-03_6220a90882214.jpg?v=1787910720"},{"product_id":"biotechusa-aakg-shock-extreme","title":"BioTechUSA AAKG Shock Extreme","description":"\u003cp\u003eBioTechUSA AAKG Shock Extreme is a liquid arginine formula in a 1-litre bottle — no powder, no shaker, just measure and drink.\u003c\/p\u003e\n\u003cp\u003eLiquid delivery means there is nothing to dissolve and nothing left in the bottom of the cup. It is stimulant-free, so it fits before any session regardless of time of day.\u003c\/p\u003e\n\u003ch3\u003eWhy choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLiquid AAKG — nothing to mix\u003c\/li\u003e\n\u003cli\u003eContains arginine — see the label for amounts per serving\u003c\/li\u003e\n\u003cli\u003eCaffeine-free, suitable for evening training\u003c\/li\u003e\n\u003cli\u003e1-litre bottle in Cherry or Orange\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eMeasure one serving using the cap and take 30 minutes before training. Refrigerate after opening.\u003c\/p\u003e","brand":"BioTechUSA","offers":[{"title":"1000ml \/ Cherry","offer_id":58283660443979,"sku":"5999076200320","price":26.63,"currency_code":"GBP","in_stock":true},{"title":"1000ml \/ Orange","offer_id":58283660476747,"sku":"5999076200337","price":26.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1077\/4937\/6331\/files\/image_2022-07-07_62c6d29332a7c.jpg?v=1787910736"},{"product_id":"biotechusa-aakg-1000","title":"BioTechUSA AAKG 1000","description":"\u003cp\u003eBioTechUSA AAKG 1000 delivers arginine alpha-ketoglutarate in tablet form — the simplest way to take it if you would rather not add another powder to your routine.\u003c\/p\u003e\n\u003cp\u003eStimulant-free, so it can be taken any time.\u003c\/p\u003e\n\u003ch3\u003eWhy choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArginine AKG in convenient tablet form\u003c\/li\u003e\n\u003cli\u003eContains arginine — see the label for amounts per serving\u003c\/li\u003e\n\u003cli\u003eNo mixing, no taste, no shaker\u003c\/li\u003e\n\u003cli\u003eCaffeine-free — take before any session\u003c\/li\u003e\n\u003cli\u003e100 tablets per bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eTake as directed on the label, around 30 minutes before training, with water.\u003c\/p\u003e","brand":"BioTechUSA","offers":[{"title":"100 tablets","offer_id":58283661230411,"sku":"5999076204465","price":14.29,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1077\/4937\/6331\/files\/image_2025-03-17_67d827b634a63.jpg?v=1787910750"},{"product_id":"scitec-nutrition-aakg","title":"Scitec Nutrition AAKG","description":"\u003cp\u003eScitec Nutrition AAKG provides 800mg of arginine alpha-ketoglutarate per capsule — a straightforward, stimulant-free nitric oxide precursor with nothing else added.\u003c\/p\u003e\n\u003cp\u003eCapsules make it easy to stack alongside a pre-workout without adding another scoop, and easy to take with you.\u003c\/p\u003e\n\u003ch3\u003eWhy choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e800mg AAKG per capsule\u003c\/li\u003e\n\u003cli\u003eContains arginine — see the label for amounts per serving\u003c\/li\u003e\n\u003cli\u003eNo taste, no mixing — easy to stack with anything\u003c\/li\u003e\n\u003cli\u003eCaffeine-free\u003c\/li\u003e\n\u003cli\u003e100 capsules per bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eTake as directed on the label, around 30 minutes before training, with water.\u003c\/p\u003e","brand":"Scitec Nutrition","offers":[{"title":"100 caps","offer_id":58283662311755,"sku":"5999100033054","price":14.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1077\/4937\/6331\/files\/image_2023-12-15_657c1cac2a95f.jpg?v=1787910763"},{"product_id":"olimp-nutrition-aakg-xplode","title":"Olimp Nutrition AAKG Xplode","description":"\u003cp\u003eOlimp Nutrition AAKG Xplode is an arginine alpha-ketoglutarate powder. There is no caffeine in it, so it works before an evening session and stacks cleanly with a stimulant pre-workout if you want both.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContains arginine — see the label for amounts per serving\u003c\/li\u003e\n\u003cli\u003eCompletely stimulant-free\u003c\/li\u003e\n\u003cli\u003eStacks with any pre-workout\u003c\/li\u003e\n\u003cli\u003e300g tub, Orange flavour\u003c\/li\u003e\n\u003cli\u003eFrom one of Europe's longest-established sports nutrition brands\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eMix one serving with 200–300ml of water and take 30 minutes before training.\u003c\/p\u003e","brand":"Olimp Nutrition","offers":[{"title":"300g \/ Orange","offer_id":58283664048459,"sku":"5901330057991","price":27.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1077\/4937\/6331\/files\/image_2017-08-24_599ee5a62915b.jpg?v=1787910778"},{"product_id":"conteh-sports-mega-pump-elite","title":"Conteh Sports Mega Pump Elite","description":"\u003cp\u003eConteh Sports Mega Pump Elite is a stimulant-free pre-workout with no caffeine. That makes it an option for evening training, or for adding to a pre-workout you already use without taking more caffeine.\u003c\/p\u003e\n\u003ch3\u003eWhy choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStimulant-free — no caffeine at all\u003c\/li\u003e\n\n\u003cli\u003eIdeal for evening sessions\u003c\/li\u003e\n\u003cli\u003eCan be stacked with a caffeinated pre-workout\u003c\/li\u003e\n\u003cli\u003e390g tub, five flavours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cp\u003eMix one scoop with 400–500ml of cold water 20–30 minutes before training. 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