Description
LGD-4033 + Ostarine + MK-677 Capsule Stack
Disclaimer: The compounds described on this page are intended for laboratory research use only and are not approved for human consumption.
Overview of LGD-4033 + Ostarine + MK-677 Capsule Stack
The LGD-4033 + Ostarine + MK-677 stack is investigated for its combined effects in research. LGD-4033 is a SARM with strong anabolic activity on muscle and bone tissues. Ostarine (MK-2866) is another SARM observed for supporting muscle tissue in research models. MK-677 (Ibutamoren) is a ghrelin receptor agonist that increases growth hormone and IGF-1 secretion.
The composition and quantity of compounds present in this stack are shown in the table below.
| Compound | Quantity per Capsule | Total Quantity (per bottle) |
| LGD-4033 | 25 mg | 1000 mg |
| Ostarine | 25 mg | 1000 mg |
| MK-677 | 25 mg | 1000 mg |
| Total | 75 mg | 3000 mg |
LGD-4033
LGD-4033, also referred to as Ligandrol or VK5211, is a selective androgen receptor modulator (SARM). Research has shown its ability to promote lean muscle and bone tissue growth with reduced androgenic activity in test models. Early studies indicate that LGD-4033 demonstrates selective tissue targeting and addresses muscle and bone-related conditions in research subjects.
| Section | Details |
| CAS Number | 1165910-22-4 ® |
| Molar Mass | 338.3 g/mol |
| Chemical Formula | C14H12F6N2O |
| IUPAC Name | 4-[(2R)-2-[(1R)-2,2,2-trifluoro-1-hydroxyethyl]pyrrolidin-1-yl]-2-(trifluoromethyl)benzonitrile |
| Synonyms | Ligandrol, VK-5211, 1EJT54415A, Vk5211 |
| Shelf Life | 2 years |
| Disclaimer | LGD-4033 Injectable is not approved for human use. It is legal for research purposes only. |
Ostarine
Ostarine mk 2866 is a nonsteroidal selective androgen receptor modulator (SARM). It binds selectively to androgen receptors in skeletal muscle and bone to stimulate anabolic activity. Its tissue-selective mechanism reduces interaction with non-target areas and distinguishes it from traditional anabolic steroids.
| Section | Details |
| CAS Number | 841205-47-8 |
| Molar Mass | 389.33 g/mol |
| Chemical Formula | C19H14F3N3O3 ® |
| IUPAC Name | (2S)-3-(4-cyano-2,3,5,6-tetradeuteriophenoxy)-N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide |
| Synonyms | MK-2866, Ostarine-d4, Enobosarm-d4, MFCD16877675 |
| Shelf Life | 2 years |
| Disclaimer | Ostarine is not approved for human use. It is legal for research purposes only. |
MK-677
MK-677 Ibutamoren is a growth hormone secretagogue that functions as a ghrelin mimetic. It binds to the GHS-R1a receptor in the hypothalamus and pituitary to stimulate pulsatile GH release and increase IGF-1 levels in research models. MK-677 is studied for its roles in growth hormone deficiency, muscle wasting, and metabolic regulation in research.
| Section | Details |
| CAS Number | 159634-47-6 |
| Molar Mass | 624.8 g/mol |
| Chemical Formula | C28H40N4O8S2 |
| IUPAC Name | 2-amino-2-methyl-N-[(2R)-1-(1-methylsulfonylspiro[2H-indole-3,4′-piperidine]-1′-yl)-1-oxo-3-phenylmethoxypropan-2-yl]propanamide;methanesulfonic acid ® |
| Synonyms | Ibutamoren, MK 0677, MK-0677, MK 677, L-163191, Nutrobal |
| Shelf Life | 2 years |
| Disclaimer | MK-677 is not approved for human use. It is legal for research purposes only. |
Why Consider LGD-4033 + Ostarine + MK-677 Capsule Stack for Research?
Researchers may consider LGD-4033 + Ostarine + MK-677 Capsule Stack based on its intended research application, available specifications, and supporting documentation.
– The stack is tested with HPLC and confirmed at 99.7% purity.
– The assay results meet research-grade standards: LGD-4033 at 98.9%, Ostarine at 98.7%, and MK-677 at 98.5%.
– The endotoxin levels of this stack are verified at <0.5 EU/mg, which is below the ≤5 EU/mg limit.
– The heavy metals are measured at <5 ppm, under the ≤10 ppm safety threshold.
– It is delivered with a Certificate of Analysis (COA) for transparency.
Researchers may consider LGD-4033 + Ostarine + MK-677 Capsule Stack based on its intended research application, available specifications, and supporting documentation.
Frequently Asked Questions
What is the legal status of the LGD-4033 + Ostarine + MK-677 Stack?
The compounds present in this stack are not approved for human consumption. They are legal for research use only.
How does LGD-4033 + Ostarine + MK-677 Capsule Stack work in research?
LGD-4033 and Ostarine interact with androgen receptors in muscle and bone to support lean mass and strength in research. MK-677 complements them by stimulating growth hormone and IGF-1 release. Early research suggests potential synergistic effects. However, its hormonal and metabolic impacts remain under investigation.
Does the LGD-4033 + Ostarine + MK-677 Stack have side effects in research models?
Studies suggest that LGD-4033 and Ostarine may be linked to hormone suppression, liver strain, and changes in cholesterol. MK-677 can increase appetite, water retention, and insulin resistance in research subjects.
Where can readers find vendor information for LGD-4033 + Ostarine + MK-677 Capsule Stack?
Iron Mountain Labz provides research information and affiliate purchasing pathways but does not directly sell, manufacture, warehouse, or ship LGD-4033 + Ostarine + MK-677 Capsule Stack. Readers should assess third-party suppliers independently and review available identity, purity, and batch-testing documentation.
IML Affiliate Disclosure
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