{"title":"Bioreactive Series","description":"\u003cp\u003eThe Bioreactive Series is Free Muscle's own-label line. It brings together two research compounds, MK-777 (Acetamoren) and RAD-150 (TLB-150), a stimulant-free pre-workout food supplement, NitraGlyc, a PCT blend, and a bundle that packs the three Bioreactive products into one parcel. Every batch is assayed by Janoshik Analytical, an independent laboratory, with the Certificate of Analysis available on request. This page explains what each item is, because the products in the line belong to different categories with different rules.\u003c\/p\u003e\n\u003ch2\u003eWhat this collection covers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/en-ro\/collections\/mk-777\"\u003eMK-777 (Acetamoren)\u003c\/a\u003e, listed in Free Muscle's range alongside MK-677 as a growth hormone secretagogue-class research compound. It has no published human trial data, and its own page sets out what is and is not known.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en-ro\/collections\/rad-150\"\u003eRAD-150 (TLB-150)\u003c\/a\u003e, described in trade literature as an ester-modified derivative of the SARM RAD-140. Supplied as 25 mg capsules, 60 per pack, for laboratory research. No human trials have been published.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en-ro\/collections\/pre-workout\"\u003eNitraGlyc\u003c\/a\u003e, a stimulant-free pre-workout capsule combining Nitrosigine (inositol-stabilised arginine silicate) and glycerol. This is a food supplement, not a research compound, and it carries no authorised health claim.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en-ro\/collections\/pct-blends\"\u003ePCT (Post Cycle Therapy blend)\u003c\/a\u003e, 60 capsules, sold for laboratory research.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/en-ro\/products\/bioreactive-bundle\"\u003eBioreactive Bundle\u003c\/a\u003e, MK-777, RAD-150 and NitraGlyc together, priced as a convenience. We make no claim that the items do anything in combination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to compare them\u003c\/h3\u003e\n\u003cp\u003eFor the research compounds, the figures that matter are milligrams per capsule multiplied by capsules per pack, the price per milligram that gives you, and the batch certificate. For NitraGlyc, read the ingredient panel and the per-serving quantities on the label. The \u003ca href=\"\/en-ro\/blogs\/news\/price-per-mg-compare-sarms-peptides\"\u003eprice per milligram\u003c\/a\u003e article walks through the arithmetic.\u003c\/p\u003e\n\u003ch2\u003eBatch testing and certificates of analysis\u003c\/h2\u003e\n\u003cp\u003eA certificate of analysis states what an independent laboratory identified in a specific batch and the purity it measured. Every Free Muscle batch, including the Bioreactive line, goes to Janoshik Analytical and carries a printed batch number. Email us the number from your pack and we will send the certificate for that batch. A generic document without a batch number does not tell you what is in your pack. See \u003ca href=\"\/en-ro\/pages\/lab-tests\"\u003ehow we test\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhere to buy Bioreactive Series products in the UK: how to check a supplier\u003c\/h2\u003e\n\u003cp\u003eWhichever shop you buy Bioreactive Series products from, check these five points before you order:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eA batch number and a certificate for that batch.\u003c\/strong\u003e The pack should carry a batch number, and the seller should be able to show a certificate of analysis for that same batch from a named laboratory, with the test date. Every Free Muscle-brand batch is assayed by Janoshik Analytical, and we send the certificate for your batch on request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe strength per capsule and the capsule count.\u003c\/strong\u003e With both figures you can work out the total milligrams in the pack and the price per milligram. If a listing does not state one of them, ask the seller before you order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResearch-use labelling and an age check.\u003c\/strong\u003e A research compound should be sold for laboratory research use only, not for human consumption, to adults aged 18 or over, with no dosing or usage advice. That is how MK-777, RAD-150 and the PCT blend are sold here; NitraGlyc is a food supplement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrices in pounds sterling and tracked UK dispatch.\u003c\/strong\u003e UK delivery from us is free and tracked on every order, with no minimum spend, and usually arrives 2-3 working days after dispatch; orders placed before 2pm Monday to Friday are processed the same working day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA clear returns policy.\u003c\/strong\u003e Unopened items can be returned to us within 30 days.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eBrand on this page: \u003ca href=\"\/en-ro\/collections\/brand-free-muscle\"\u003eFree Muscle\u003c\/a\u003e. The \u003ca href=\"\/en-ro\/blogs\/news\/how-to-choose-a-sarms-supplier-uk-checklist\"\u003eUK supplier checklist\u003c\/a\u003e and \u003ca href=\"\/en-ro\/pages\/lab-tests\"\u003ehow we test\u003c\/a\u003e go into more detail.\u003c\/p\u003e\n\n\u003ch2\u003eLegal status in the UK\u003c\/h2\u003e\n\u003cp\u003eMK-777 and RAD-150 are not licensed medicines (MHRA) and not authorised food supplements. They are sold to adults for laboratory research and are not for human consumption. Growth hormone secretagogues and SARMs, along with related derivatives, are prohibited at all times under the WADA list. NitraGlyc is a food supplement and is not a medicine; food supplements should not be used as a substitute for a varied diet. Our \u003ca href=\"\/en-ro\/blogs\/news\/what-are-sarms-the-2026-research-guide\"\u003eSARMs research guide\u003c\/a\u003e covers the wider legal picture.\u003c\/p\u003e\n\u003ch2\u003eStorage and handling\u003c\/h2\u003e\n\u003cp\u003eKeep all items sealed in a cool, dry place away from light and out of the reach of children. Handle research compounds according to laboratory good practice.\u003c\/p\u003e\n\u003ch2\u003eDelivery and returns\u003c\/h2\u003e\n\u003cp\u003eFree Muscle is the trading name of FreeMuscle, a business registered in Andorra, with UK operations and dispatch in Scunthorpe. Every order ships free with UK tracking in plain packaging; EU delivery takes 3 to 7 working days. Orders placed before 2pm Monday to Friday are processed the same working day, and unopened items can be returned within 30 days. See \u003ca href=\"\/en-ro\/pages\/shipping\"\u003eshipping\u003c\/a\u003e and \u003ca href=\"\/en-ro\/pages\/guarantee\"\u003eguarantee\u003c\/a\u003e. Customers must be 18 or over.\u003c\/p\u003e\n\u003ch2\u003eRelated reading\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-ro\/blogs\/news\/mk-677-ibutamoren-what-the-research-says\"\u003eMK-677 (Ibutamoren): What the Research Says\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ro\/blogs\/news\/nitrosigine-muscle-pump-boosts-pumps-without-stimulants-1142-47\"\u003eNitrosigine and Stimulant-Free Pre-Workouts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ro\/blogs\/news\/why-post-cycle-therapy-pct-matters\"\u003eWhy Post-Cycle Therapy (PCT) Matters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ro\/blogs\/news\/what-is-janoshik-analytical\"\u003eWhat Is Janoshik Analytical? Third-Party Testing Explained\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eRelated collections: \u003ca href=\"\/en-ro\/collections\/sarms\"\u003eSARMs\u003c\/a\u003e, \u003ca href=\"\/en-ro\/collections\/mk-677\"\u003eMK-677 (Ibutamoren)\u003c\/a\u003e, \u003ca href=\"\/en-ro\/collections\/performance-nutrition\"\u003ePerformance Nutrition\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eResearch compounds sold by Free Muscle are supplied for laboratory research use only and are not for human consumption. They are not authorised as medicines by the MHRA, EMA or FDA, are not food supplements, and are sold only to adults aged 18 or over. NitraGlyc is a food supplement, not a research compound. Nothing on this page is medical or dosing advice.\u003c\/em\u003e\u003c\/p\u003e","products":[{"product_id":"pct-post-cycle-therapy-free-muscle","title":"PCT — Post Cycle Therapy · 60 Capsules","description":"\u003cp\u003e\u003cstrong\u003ePCT, 60 capsules.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is sold under a product name rather than a single established compound name, and there is no clinical literature under that name. The Certificate of Analysis for your batch states what it contains.\u003c\/p\u003e\u003cp\u003eA capsule sold under this product name is not a substitute for medical care. Hormone suppression is diagnosed with a blood test and managed by a clinician, not with a capsule bought online. We make no claim about any effect on testosterone, because we cannot know that.\u003c\/p\u003e\u003cp\u003eIt is \u003cstrong\u003enot authorised as a medicine in the UK or EU\u003c\/strong\u003e. Several compounds used in post-cycle protocols are on the WADA Prohibited List.\u003c\/p\u003e\u003cp\u003eIdentity and purity are verified per batch by Janoshik Analytical, an independent laboratory.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eResearch compounds sold by Free Muscle are supplied for laboratory research use only and are not for human consumption. They are not authorised as medicines by the MHRA, EMA or FDA, are not food supplements, and are sold only to adults aged 18 or over. Nothing on this page is medical or dosing advice.\u003c\/small\u003e\u003c\/p\u003e","brand":"FreeMuscle","offers":[{"title":"Default Title","offer_id":46945527824610,"sku":"10000007","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/3499\/5426\/files\/openart-image_K_Bb8qTy_1760825260679_raw_1.jpg?v=1766262503"},{"product_id":"mk-777-acetamoren-bioreactive-series","title":"MK-777 (Acetamoren) — Bioreactive Series","description":"\u003cp\u003e\u003cstrong\u003eMK-777 (Acetamoren), Bioreactive Series.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\"MK-777 (Acetamoren)\" is Free Muscle's own product designation for a growth hormone secretagogue acting at the GHS-R1a (ghrelin) receptor. It is not a name you will find in the published pharmacological literature, and there are no human clinical trials under that designation. If published research matters to you, MK-677 (ibutamoren) is the compound in this class that has it.\u003c\/p\u003e\u003cp\u003eIt is \u003cstrong\u003enot authorised as a medicine or a food supplement in the UK or EU\u003c\/strong\u003e, and growth hormone secretagogues are on the WADA Prohibited List.\u003c\/p\u003e\u003cp\u003eIdentity and purity are verified per batch by Janoshik Analytical, an independent laboratory. Certificate of Analysis available on request. We do not publish dosing schedules or post-cycle protocols for human use.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eResearch compounds sold by Free Muscle are supplied for laboratory research use only and are not for human consumption. They are not authorised as medicines by the MHRA, EMA or FDA, are not food supplements, and are sold only to adults aged 18 or over. Nothing on this page is medical or dosing advice.\u003c\/small\u003e\u003c\/p\u003e","brand":"FreeMuscle","offers":[{"title":"Default Title","offer_id":47040793280738,"sku":"10000003","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/3499\/5426\/files\/openart-image_qYBx60sy_1763246601208_raw.jpg?v=1766262710"},{"product_id":"rad-150-tlb-150-bioreactive-series","title":"RAD-150 (TLB-150) — Bioreactive Series","description":"\u003cp\u003e\u003cstrong\u003eRAD-150 (TLB-150), Bioreactive Series.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRAD-150 is a benzoate-ester form of RAD-140 (Testolone), a selective androgen receptor modulator. A benzoate ester generally slows release of the parent compound; that is a chemistry property, not a promised outcome. Neither compound has the clinical data to support a comparison of human results, and we are not going to invent one.\u003c\/p\u003e\u003cp\u003eSARMs have been associated with liver injury and testosterone suppression in published case reports. RAD-150 is \u003cstrong\u003enot authorised for human consumption in the UK or EU\u003c\/strong\u003e and is prohibited in sport by WADA.\u003c\/p\u003e\u003cp\u003eIdentity and purity are verified per batch by Janoshik Analytical, an independent laboratory. Certificate of Analysis available on request.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eResearch compounds sold by Free Muscle are supplied for laboratory research use only and are not for human consumption. They are not authorised as medicines by the MHRA, EMA or FDA, are not food supplements, and are sold only to adults aged 18 or over. Nothing on this page is medical or dosing advice.\u003c\/small\u003e\u003c\/p\u003e","brand":"FreeMuscle","offers":[{"title":"Default Title","offer_id":47040801865954,"sku":"10000000","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/3499\/5426\/files\/IMG-2551.jpg?v=1766262716"},{"product_id":"nitraglyc-bioreactive-series-nitrosigine-glycerol","title":"NitraGlyc — Stimulant-Free Pump Pre-Workout · 60 Capsules","description":"\u003cp\u003e\u003cstrong\u003eStimulant-free pre-workout. 60 capsules.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNitrosigine (inositol-stabilised arginine silicate) and glycerol, two named ingredients in one capsule, with no caffeine or other stimulants.\u003c\/p\u003e\u003ch3\u003eDirections\u003c\/h3\u003e\u003cp\u003eNitraGlyc is a food supplement. Follow the daily portion and the directions on the label and do not exceed it.\u003c\/p\u003e\u003ch3\u003eGood to know\u003c\/h3\u003e\u003cp\u003eNo health claim is authorised for Nitrosigine or glycerol, and we make none.\u003c\/p\u003e\u003cp\u003eEvery batch is assayed by Janoshik Analytical, an independent laboratory. The batch number is printed on the pack, and the certificate for that batch is sent by email on request: \u003ca href=\"\/en-ro\/pages\/lab-tests\"\u003esee how we test\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eFree tracked UK delivery on every order.\u003c\/p\u003e","brand":"FreeMuscle","offers":[{"title":"Default Title","offer_id":47042345205986,"sku":"28876574","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/3499\/5426\/files\/openart-image_B6u2TBaN_1763338638030_raw.jpg?v=1766262723"},{"product_id":"bioreactive-bundle","title":"Bioreactive Bundle — MK-777 + RAD-150 + NitraGlyc","description":"\u003cp\u003e\u003cstrong\u003eBioreactive Bundle: MK-777 + RAD-150 + NitraGlyc. Three bottles, 180 capsules.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne bottle each of MK-777 (a ghrelin-receptor secretagogue), RAD-150 (a SARM) and NitraGlyc (a stimulant-free pre-workout). Two of the three have no completed human efficacy trials; NitraGlyc is an ordinary sports supplement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy the bundle? Price, and nothing else.\u003c\/strong\u003e It is the same three products at a lower total than buying them separately. We are not claiming they work better together.\u003c\/p\u003e\u003cp\u003eBuying compounds together does not make them safer; each carries its own risks, set out on its own page. MK-777 and RAD-150 are \u003cstrong\u003enot authorised for human consumption in the UK or EU\u003c\/strong\u003e, and both classes are on the WADA Prohibited List.\u003c\/p\u003e\u003cp\u003eEvery batch is assayed by Janoshik Analytical, an independent laboratory. Certificates of Analysis available on request.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eResearch compounds sold by Free Muscle are supplied for laboratory research use only and are not for human consumption. They are not authorised as medicines by the MHRA, EMA or FDA, are not food supplements, and are sold only to adults aged 18 or over. NitraGlyc, also in this bundle, is a food supplement, not a research compound. Nothing on this page is medical or dosing advice.\u003c\/small\u003e\u003c\/p\u003e","brand":"FreeMuscle","offers":[{"title":"Default Title","offer_id":47042968584418,"sku":"10000017","price":150.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/3499\/5426\/files\/IMG-2582.jpg?v=1766262729"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/3499\/5426\/collections\/IMG-2582.jpg?v=1790530355","url":"https:\/\/freemuscle.co.uk\/en-ro\/collections\/bioreactive-series.oembed","provider":"Free Muscle","version":"1.0","type":"link"}