What is BIEST (50:50) Progesterone SR – Capsule?
BIEST (50:50) Progesterone SR Capsule is a research-grade, sustained-release formulation containing a 50:50 blend of estradiol and progesterone. It is designed for laboratory and clinical studies to examine hormone receptor activity, tissue responses, and metabolic pathways under controlled experimental conditions.

Mechanism of Action
The capsule releases estradiol and progesterone to receptor models, activating estrogenic and progestogenic signaling pathways for detailed cellular and tissue research.

The Science
• Estrogen and progesterone receptor studies
• Hormonal signaling pathway evaluation
• Tissue and cellular metabolism analysis
• Endocrine pathway research
• Reproducible in vitro studies

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.