Bioreactive Series
Free Muscle's Bioreactive Series: MK-777 (Acetamoren), RAD-150 (TLB-150), NitraGlyc and a PCT blend. Batch-tested by Janoshik. Research use only, 18+.
MK-777 (Acetamoren) — Bioreactive Series
Bioreactive Bundle — MK-777 + RAD-150 + NitraGlyc
PCT — Post Cycle Therapy · 60 Capsules
NitraGlyc — Stimulant-Free Pump Pre-Workout · 60 Capsules
RAD-150 (TLB-150) — Bioreactive Series
The 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.
What this collection covers
- MK-777 (Acetamoren), 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.
- RAD-150 (TLB-150), 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.
- NitraGlyc, 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.
- PCT (Post Cycle Therapy blend), 60 capsules, sold for laboratory research.
- Bioreactive Bundle, MK-777, RAD-150 and NitraGlyc together, priced as a convenience. We make no claim that the items do anything in combination.
How to compare them
For 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 price per milligram article walks through the arithmetic.
Batch testing and certificates of analysis
A 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 how we test.
Legal status in the UK
MK-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 SARMs research guide covers the wider legal picture.
Storage and handling
Keep 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.
Delivery and returns
Free Muscle is a UK company (FreeMuscle LTD, 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 shipping and guarantee. Customers must be 18 or over.
Related reading
- MK-677 (Ibutamoren): What the Research Says
- Nitrosigine and Stimulant-Free Pre-Workouts
- Why Post-Cycle Therapy (PCT) Matters
- What Is Janoshik Analytical? Third-Party Testing Explained
- Related collections: SARMs, MK-677 (Ibutamoren), Performance Nutrition
MK-777, RAD-150 and the PCT blend are supplied for laboratory research only. They have not been evaluated by the MHRA, EMA or FDA, are not for human consumption and are sold only to adults aged 18 and over. NitraGlyc is a food supplement. Nothing on this page is medical or dosing advice.
Frequently asked questions
What is the Bioreactive Series?
It is the name Free Muscle gives to its own-label product line: the research compounds MK-777 (Acetamoren) and RAD-150 (TLB-150), the NitraGlyc stimulant-free pre-workout, and a PCT blend. The name describes the range, not a property of the compounds. Each product has its own page with the published research, pack details and batch certificate information.
Is RAD-150 the same as RAD-140?
No. RAD-150, also called TLB-150, is described in trade literature as an ester-modified derivative of RAD-140. RAD-140 has a small amount of early clinical data; RAD-150 has none published. Both are sold for laboratory research only and both fall under the WADA prohibition on SARMs and related compounds. Their collection pages set out what is known about each.
Is NitraGlyc a research compound?
No. NitraGlyc is a food supplement containing Nitrosigine (inositol-stabilised arginine silicate) and glycerol. It contains no stimulants. Neither ingredient carries an authorised UK or EU health claim, so we do not make one. It is included in this collection because it is part of the Bioreactive product line, not because it is in the same legal category as MK-777 or RAD-150.
Is the Bioreactive Bundle better value than buying separately?
Usually, but prices change, so check the per-item arithmetic on the day. The bundle exists as a convenience for people who want the three Bioreactive products in one parcel. We make no claim that the items act together or produce any result in combination, and the research compounds inside it remain research-use only.
How do I get the certificate for my batch?
Find the batch number printed on the pack and email it to us. We will send the Janoshik Analytical certificate for that batch, which records the compound identified and the purity measured. Check that the batch number on the certificate matches your pack. This applies to every Free Muscle-brand product, including everything in the Bioreactive Series.