SOMA Enclomiphene Powder 1g
Enclomiphene (trans-clomiphene) powder 1g — ≥98% HPLC purity, COA verified. Non-steroidal selective estrogen receptor modulator studied for HPTA axis restoration and testosterone research. For research use only.
Buy SARMs Online — Shipping to the UK
9 research-grade SARMs with international shipping to the United Kingdom. HPLC-verified ≥98% purity. Certificate of Analysis on every order. For Research Use Only (RUO).
🧪 ≥98% HPLC Purity 📄 COA Every Order 📦 Ships to UK 🔬 Research Grade 5–10 Day Delivery
SARMs Research Catalog — Available for Shipping to the UK
- SOMA
SOMA YK-11 Powder 1g
YK-11 powder 1g — ≥98% HPLC purity, COA verified. Steroidal SARM and partial androgen receptor agonist with myostatin inhibition activity — unique dual mechanism for muscle biology research. For research use only.
SOMA SR-9009 Powder 1g
SR-9009 (Stenabolic) powder 1g — ≥98% HPLC purity, COA verified. Rev-erbα and Rev-erbβ agonist used in circadian biology, metabolic syndrome, and cardiovascular preclinical research. For research use only.
SOMA Andarine S4 Powder 1g
Andarine (S4, GTx-007) powder 1g — ≥98% HPLC purity, COA verified. Selective androgen receptor modulator studied in bone density and muscle tissue models with unique ocular AR research applications. For research use only.
SOMA Cardarine GW501516 Powder 1g
Cardarine (GW501516) powder 1g — ≥98% HPLC purity, COA verified. PPARδ agonist used in fatty acid oxidation, metabolic syndrome, and exercise mimetic research. For research use only.
SOMA Ostarine MK-2866 Powder 1g
Ostarine (MK-2866, Enobosarm) powder 1g — ≥98% HPLC purity, COA verified. The most extensively studied SARM, with completed Phase II clinical trials in muscle wasting and cancer cachexia. For research use only.
SOMA MK-677 Powder 1g
MK-677 (Ibutamoren) powder 1g — ≥98% HPLC purity, COA verified. Orally active ghrelin receptor agonist and GH secretagogue studied in GH deficiency, muscle wasting, and metabolic research. For research use only.
SOMA LGD-4033 Powder 1g
LGD-4033 (Ligandrol) powder 1g — ≥98% HPLC purity, COA verified. High-affinity selective androgen receptor modulator with Phase II clinical data in muscle wasting and bone density. For research use only.
SOMA RAD-140 Powder 1g
RAD-140 (Testolone) powder 1g — ≥98% HPLC purity, COA verified. Potent selective androgen receptor modulator used in muscle wasting and neuroprotection preclinical research. For research use only.
SOMA Enclomiphene
Enclomiphene (trans-clomiphene) is a non-steroidal selective estrogen receptor modulator (SERM) studied for testosterone restoration via HPTA axis stimulation. 27,100 searches/mo — high research interest. ≥98% purity, CoA. For Research Use Only.
SOMA YK-11
YK-11 is a steroidal SARM and partial androgen receptor agonist studied for its unique dual mechanism: AR agonism and myostatin inhibition via follistatin induction. ≥98% purity, third-party CoA. For Research Use Only.
SOMA SR9009 (Stenabolic)
SR9009 (Stenabolic) is a Rev-erb α/β agonist used in circadian biology, metabolic disorder, and exercise mimetic research. Often grouped with SARMs; mechanistically acts on nuclear Rev-erb receptors regulating circadian gene expression. ≥98% purity, CoA. For Research Use Only.
SOMA Cardarine (GW501516)
Cardarine (GW501516, GW1516) is a PPARδ (peroxisome proliferator-activated receptor delta) agonist used in fatty acid oxidation, metabolic syndrome, and endurance biology research. ≥98% purity, third-party CoA. For Research Use Only.
SOMA Andarine (S4)
Andarine (S4, GTx-007) is a selective androgen receptor modulator studied in bone density and muscle tissue models. High AR binding affinity with bone/muscle tissue selectivity. ≥98% purity, CoA. For Research Use Only.
SOMA Ibutamoren (MK-677)
MK-677 (Ibutamoren) is an orally active ghrelin receptor agonist and growth hormone secretagogue studied in GH deficiency, muscle wasting, and metabolic aging models. ≥98% purity, CoA. For Research Use Only.
SOMA Ostarine (MK-2866)
Ostarine (MK-2866, Enobosarm) is the most extensively studied SARM, with completed Phase II clinical trials in muscle wasting and cancer cachexia. ≥98% purity, third-party CoA. For Research Use Only.
SOMA LGD-4033 (Ligandrol)
LGD-4033 (Ligandrol) is a high-affinity selective androgen receptor modulator studied in muscle wasting and bone density preclinical models. ≥98% purity, third-party CoA. For Research Use Only.
SOMA RAD-140 (Testolone)
RAD-140 (Testolone) is a potent selective androgen receptor modulator (SARM) used in preclinical research for muscle wasting models. ≥98% HPLC purity. Third-party CoA provided. For Research Use Only.
Why UK Researchers Choose Rainbow Peptide for SARMs
Third-Party HPLC Verified
Every SARMs compound is independently tested for identity and purity before dispatch. Certificate of Analysis included with every order.
Fast UK Delivery
Orders ship to the UK overnight or in 2–3 business days via tracked international courier. Discreet, temperature-controlled packaging on every order.
Research-Grade Standards
All SARMs ≥98% HPLC purity. Manufactured in ISO-compliant facilities with rigorous batch testing.
RUO Documentation
All orders include For Research Use Only documentation and Certificate of Analysis for your research records.
SARMs Research in the UK — What Researchers Should Know
The UK has one of the most active SARMs research communities in Europe, driven by strong academic interest at institutions studying muscle physiology, endocrinology, and metabolic disease. Compounds like RAD-140, LGD-4033, and YK-11 are among the most studied in British research literature.
YK-11 is a uniquely dual-mechanism compound — it acts as both a partial agonist of the androgen receptor and an inhibitor of myostatin (GDF-8). Research interest in YK-11 has grown substantially since 2019, particularly for its potential in muscle wasting models where both anabolic signalling and myostatin inhibition may be relevant.
RAD-140 shows the highest binding affinity to the androgen receptor among commonly studied SARMs and has been used in preclinical neuroprotection research, in addition to muscle/bone studies. Phase I/II clinical data has been published examining its safety profile.
Read our research overviews: RAD-140 Research Guide | YK-11 Research Guide | Best SARMs for Research 2026
⚠ Important: All products are For Research Use Only (RUO) — not for human consumption, therapeutic use, or use in sport. UK purchasers are responsible for compliance with MHRA regulations and UK Border Force import requirements. Not for human use.
Frequently Asked Questions — SARMs UK
- Can I buy SARMs online in the UK?
- Research SARMs can be purchased online for legitimate in vitro laboratory research and shipped to the UK. Products are sold strictly For Research Use Only (RUO) — not for human consumption. UK researchers should be aware that SARMs are not MHRA-approved medicines and should review UKBF import requirements for research chemicals before purchasing.
- Are SARMs legal in the UK?
- SARMs are not licensed medicines in the UK and are not approved by the MHRA for therapeutic use. They are not controlled substances under the Misuse of Drugs Act. However, they may not be sold as food supplements or for human consumption. Research-grade SARMs sold For Research Use Only occupy a distinct regulatory category. UK purchasers should consult a regulatory specialist. Rainbow Peptide products are for in vitro research only.
- Which SARMs are most researched in the UK?
- RAD-140 (Testolone) and LGD-4033 (Ligandrol) lead UK research interest. Ostarine (MK-2866) has the largest body of clinical trial data. YK-11 has attracted growing attention for its dual SARM/myostatin inhibitor mechanism in preclinical models.
- How long does shipping to the UK take?
- Shipping to the UK typically takes 2–3 business days via international tracked courier. All orders are shipped in discreet, temperature-controlled packaging with full tracking provided.
- What purity are Rainbow Peptide's SARMs?
- All SARMs are ≥98% pure by HPLC analysis, verified by accredited third-party laboratories. A Certificate of Analysis (CoA) is included with every order.
Ready to Order? Ships to the UK
9 research-grade SARMs. HPLC-verified. Certificate of Analysis on every order.