What is BIEST (20:80) IR – Capsule?
The BIEST IR Capsule is a research-grade immediate-release formulation containing a 20:80 blend of estradiol and estriol. It is designed for laboratory and clinical research to study hormone kinetics, receptor interactions, and tissue responses with precise reproducibility.

Mechanism of Action
The capsule releases estradiol and estriol to interact with estrogen receptors, facilitating research into intracellular signaling, metabolic regulation, and tissue pathways.

The Science
• Estrogen receptor binding studies
• Hormone signaling pathway analysis
• Tissue and cellular research
• Metabolic regulation evaluation
• Reproducible laboratory experiments

Purity & Quality
• ≥99% purity verified via HPLC
• Certificate of Analysis included
Storage: Store in a cool, dry environment

Intended Use
This compound is intended strictly for use by trained professionals. Our peptides are not “research only” and require an Rx, which we provide through our tele-health and/or a HIPAA Compliant Intake Form reviewed by a Medical Professional.

Note
BodyBossRx works with various top pharmacies to ensure you will always have your medication efficiently, therefore, labeling may differ.

Terms of Sale
These are sterile compounds. With that said, all sales are final. If you are not a professional, the Purchaser (YOU) takes full responsibility to be guided on dosing, injecting, etc. by a medical professional.