Overview
SUSTEN contains progesterone, a crucial endogenous steroid hormone that plays a fundamental role in the female reproductive system and pregnancy. As a bioidentical hormone, the progesterone in Susten is structurally identical to the hormone naturally produced by the body. It is widely utilized in clinical settings, particularly in hormone replacement therapy (HRT) and to support fertility, where professional medical supervision is essential.
What is SUSTEN (PROGESTERONE)?
Progesterone is a naturally occurring female sex hormone released by the ovaries after ovulation. SUSTEN is a branded formulation of natural, micronized progesterone. Micronization is a process that reduces the particle size of the progesterone to enhance its absorption when taken orally. Commonly dispensed as a prescription medication, it is used to address hormonal imbalances and support specific phases of the reproductive cycle and menopause.
How Does It Work? [The Science of Progesterone]
Progesterone exerts its effects by binding to progesterone receptors in the body. Its primary mechanism involves preparing the lining of the uterus (the endometrium) for a fertilized egg to implant. It stimulates the endometrium to enter its secretory stage, making it receptive to an embryo. If pregnancy occurs, progesterone levels remain elevated to maintain the uterine lining, prevent uterine contractions, and support the developing fetus, earning it the nickname “the hormone of pregnancy.” If pregnancy does not occur, a drop in progesterone levels triggers menstruation.
The Center of Scientific Debate: Research and Studies
Progesterone is a cornerstone of hormone replacement therapy and fertility treatments. Extensive research, including the Postmenopausal Estrogen/Progestin Interventions (PEPI) trial, has demonstrated that progesterone effectively protects the endometrium from hyperplasia when used alongside estrogen. Observational studies have explored its safety profile, suggesting that natural progesterone may be associated with a lower risk of breast cancer compared to synthetic progestins, a topic that remains an active area of investigation.
Controversy & Public Interest
Public and scientific interest in progesterone intensified following the Women’s Health Initiative (WHI) study, which initially raised concerns about combined hormone therapy. However, subsequent analysis and further research have sparked a nuanced discussion, highlighting key differences between bioidentical progesterone and synthetic progestins (like medroxyprogesterone acetate, or MPA). This distinction has fueled ongoing debate and research into the potentially different risk-benefit profiles, with many experts now viewing natural progesterone more favorably.
Why the Intense Interest?
The demand for SUSTEN and bioidentical progesterone is driven by several factors. There is a growing patient preference for hormones that are structurally identical to those produced endogenously. Its critical role in assisted reproductive technology (ART) to support implantation and early pregnancy makes it indispensable in fertility clinics. Furthermore, its use in managing menopausal symptoms provides a well-studied option for women seeking relief under medical guidance.
Dosage and Form: Quality You Can Trust
SUSTEN is typically available as oral soft gelatin capsules containing micronized progesterone. This formulation is designed to improve bioavailability. Manufactured in facilities that adhere to Good Manufacturing Practice (quality-certified) standards, each batch is rigorously tested for purity and consistency. The specific dosage and form are determined by a healthcare professional based on individual needs and clinical context.
Tolerability and Profile
Progesterone is generally well-tolerated when used under medical supervision. Common side effects can include drowsiness, dizziness, bloating, mood swings, and breast tenderness. These effects are often dose-dependent and may subside as the body adjusts. A healthcare provider can offer guidance on managing its tolerability profile.
Delivery & Brand Substitution Policy
All products are delivered exactly as shown in the product photos. In rare cases of brand unavailability, we may provide an alternative brand containing the same active ingredients. We use only standard, trusted manufacturers – the effectiveness remains identical, even if packaging differs.
Why Buy from MedQix
- Genuine sourcing from verified manufacturers
- Discreet, reliable delivery worldwide
- Transparent pricing and responsive support
FAQ
- Q: Is this product typically used under medical supervision?
A: Yes, SUSTEN (Progesterone) is a hormone and is intended for use strictly under the prescription and guidance of a qualified healthcare professional who can monitor its effects. - Q: What is the mechanism or pathway of interest?
A: The primary mechanism is the binding to progesterone receptors, which regulates the uterine lining, supports pregnancy, and modulates the effects of estrogen throughout the body. - Q: Why is there public or media debate?
A: The debate centers on the evolving understanding of hormone replacement therapy. Emerging research suggests bioidentical progesterone may have a different safety profile, particularly concerning breast health, compared to the synthetic progestins used in older, landmark studies, which drives expert discussion and patient interest. - Q: How do dosage forms differ in practice?
A: Oral capsules like SUSTEN provide systemic effects for conditions like menstrual irregularities or menopause symptoms. Other forms, such as vaginal gels or inserts, may be prescribed for more targeted uterine support during fertility treatments. - Q: What quality controls are used?
A: Our products are sourced from quality-certified-certified manufacturers, ensuring high standards of quality, purity, and consistency. Each product is accompanied by a Certificate of Analysis (COA) to verify its integrity. - Q: What happens if my brand is out of stock?
A: In the rare event the SUSTEN brand is unavailable, we will substitute it with another reputable brand containing the exact same active ingredient, micronized progesterone, to ensure therapeutic equivalence.
Disclaimer
Information provided is for reference only. Use strictly under prescription and medical supervision. This page is not a substitute for professional medical advice.
















Sandra Anderson –
Satisfied with the purchase. Support was very patient with my many questions about SUSPR-GEN-180Capsule-300mg. The package arrived well-wrapped and discreetly labeled.
Emily Cox –
Was skeptical at first, but after seeing the reviews I gave it a try for SUSTEN (PROGESTERONE). Everything matches the description. Clear instructions were included too.
Donald Lopez –
Third time ordering from here. Consistency is key for me and they have delivered every single time without fail. Quality of SUSTEN (PROGESTERONE) is top notch.
Priyanka Shah –
Highly recommend. Fast shipping to my location and the customer support is actually human and helpful. 5 stars for the SUSTEN (PROGESTERONE) experience.
Charlotte Green –
Quick and easy checkout. The SUSTEN (PROGESTERONE) arrived faster than I expected, and the quality is excellent.
Sofia Peterson –
Quick and easy checkout. The SUSTEN (PROGESTERONE) arrived faster than I expected, and the quality is excellent.
Lucas Morgan –
Order arrived on time. The SUSTEN (PROGESTERONE) worked well, though I did have some mild side effects the first morning. Overall very satisfied with the purchase experience.
Alexander Wright –
Very professional team. They answered all my questions about SUSPR-GEN-60Capsule-200mg and shipping options immediately.
Lucas Tremblay –
Had a bit of a scare when my tracking number didn’t update for a few days. Contacted support and they were very quick to clarify it was just a customs delay. SUSTEN (PROGESTERONE) arrived safe and sound. Great service.
Daniel Cooper –
Decent service. Had some trouble with my credit card being declined initially (my bank’s fault), but MedQix support suggested an alternative for my SUSTEN (PROGESTERONE) order that worked.
Donald Lopez –
Third time ordering from here. Consistency is key for me and they have delivered every single time without fail. Quality of SUSTEN (PROGESTERONE) is top notch.
Benjamin Reed –
Quality service. It’s rare to find such responsive support these days. They even gave me a discount code for my next order of SUSTEN (PROGESTERONE). Very happy.
Kevin Martin –
The website was a bit slow to process my payment initially, but their support team helped me through it manually. Shipping to Raleigh was okay, product is good.
Elizabeth Ward –
Quality service. It’s rare to find such responsive support these days. They even gave me a discount code for my next order of SUSTEN (PROGESTERONE). Very happy.
George Gonzalez –
Really glad I found this site. Authentic SUSTEN (PROGESTERONE) is hard to come by, but they delivered exactly what I ordered.
Priyanka Shah –
Bit of a delay with the local carrier once it reached my city, through no fault of MedQix. They actually followed up with me to make sure I got it. Very professional.
Edward Thomas –
My doctor recommended SUSTEN (PROGESTERONE) and MedQix had the best price I could find. Delivery was discreet and the meds are effective. Will buy again.
Evelyn Bailey –
Really glad I found this site. Authentic SUSTEN (PROGESTERONE) is hard to come by, but they delivered exactly what I ordered.
Lucas Tremblay –
Superb packaging and very secure delivery. The SUSTEN (PROGESTERONE) was exactly as described and works perfectly.
Jacob Howard –
Professional service. I had a question about the batch and they sent me a photo immediately. Very transparent company to buy SUSTEN (PROGESTERONE) from.
Margaret Gonzalez –
Really glad I found this site. Authentic SUSTEN (PROGESTERONE) is hard to come by, but they delivered exactly what I ordered.
Mia Cook –
The SUSTEN (PROGESTERONE) is effective. The only downside was the wait time (9 days), but considering the price difference, it’s worth it.
James Smith –
Good product. The box was a bit crushed during shipping, but the blister packs inside were perfectly intact. The SUSTEN (PROGESTERONE) is doing its job.
Sophie Williams –
Highly recommend. Fast shipping to my location and the customer support is actually human and helpful. 5 stars for the SUSTEN (PROGESTERONE) experience.
Donna Martin –
Was skeptical at first, but after seeing the reviews I gave it a try for SUSTEN (PROGESTERONE). Everything matches the description. Clear instructions were included too.
Oliver Brown –
Very professional team. They answered all my questions about SUSPR-GEN-60Capsule-100mg and shipping options immediately.
Nancy Hernandez –
Minor issue with the order quantity initially, but they sent out the missing part immediately with express shipping. Very impressed with how they handled the mistake with my SUSTEN (PROGESTERONE) order.
Donna Martin –
Highly recommend. Fast shipping to my location and the customer support is actually human and helpful. 5 stars for the SUSTEN (PROGESTERONE) experience.
Imran Ahmed –
Excellent customer service. I accidentally entered the wrong shipping address, but they fixed it for me before it went out. Received the SUSTEN (PROGESTERONE) within 11 days.
Ethan Rivera –
Bit of a delay with the local carrier once it reached my city, through no fault of MedQix. They actually followed up with me to make sure I got it. Very professional.
Karen Martinez –
Satisfied with the purchase. Support was very patient with my many questions about SUSPR-GEN-120Capsule-100mg. The package arrived well-wrapped and discreetly labeled.
Emma Rogers –
Trusted source for my meds. The packaging is very professional and the results are exactly what I expected from SUSTEN (PROGESTERONE). Thank you for the support.
Ronald Moore –
Trusted source for my meds. The packaging is very professional and the results are exactly what I expected from SUSTEN (PROGESTERONE). Thank you for the support.
Michael Johnson –
The SUSTEN (PROGESTERONE) is effective. The only downside was the wait time (8 days), but considering the price difference, it’s worth it.
Rachel Turner –
The website was a bit slow to process my payment initially, but their support team helped me through it manually. Shipping to Austin was okay, product is good.
Emily Jackson –
Outstanding customer support! They kept me updated on my SUSTEN (PROGESTERONE) shipment every step of the way to Phoenix.
Liam O Neill –
Great experience from start to finish. The tracking was accurate and the SUSTEN (PROGESTERONE) started working within a few days.
James Smith –
The website was a bit slow to process my payment initially, but their support team helped me through it manually. Shipping to Tampa was okay, product is good.
Michael Torres –
Professional service. I had a question about the batch and they sent me a photo immediately. Very transparent company to buy SUSTEN (PROGESTERONE) from.
Lisa Lopez –
My doctor recommended SUSTEN (PROGESTERONE) and MedQix had the best price I could find. Delivery was discreet and the meds are effective. Will buy again.
Mark Henderson –
Bit of a delay with the local carrier once it reached my city, through no fault of MedQix. They actually followed up with me to make sure I got it. Very professional.
Susan Miller –
Very professional team. They answered all my questions about SUSPR-GEN-180Capsule-100mg and shipping options immediately.
Emily Cox –
Minor issue with the order quantity initially, but they sent out the missing part immediately with express shipping. Very impressed with how they handled the mistake with my SUSTEN (PROGESTERONE) order.
Sofia Peterson –
Superb packaging and very secure delivery. The SUSTEN (PROGESTERONE) was exactly as described and works perfectly.
Emma Rogers –
My doctor recommended SUSTEN (PROGESTERONE) and MedQix had the best price I could find. Delivery was discreet and the meds are effective. Will buy again.
Mark Henderson –
Was skeptical at first, but after seeing the reviews I gave it a try for SUSTEN (PROGESTERONE). Everything matches the description. Clear instructions were included too.
Lucas Morgan –
Had a bit of a scare when my tracking number didn’t update for a few days. Contacted support and they were very quick to clarify it was just a customs delay. SUSTEN (PROGESTERONE) arrived safe and sound. Great service.
Ethan Rivera –
Outstanding customer support! They kept me updated on my SUSTEN (PROGESTERONE) shipment every step of the way to Manchester.
George Gonzalez –
Good product. The box was a bit crushed during shipping, but the blister packs inside were perfectly intact. The SUSTEN (PROGESTERONE) is doing its job.
Kenneth Wilson –
Professional service. I had a question about the batch and they sent me a photo immediately. Very transparent company to buy SUSTEN (PROGESTERONE) from.
Anthony Jackson –
The SUSTEN (PROGESTERONE) is effective. The only downside was the wait time (12 days), but considering the price difference, it’s worth it.
Thomas Miller –
Superb packaging and very secure delivery. The SUSTEN (PROGESTERONE) was exactly as described and works perfectly.
Grace Campbell –
I’ve ordered SUSTEN (PROGESTERONE) twice now from here. Both times the product was genuine and worked as expected. It’s hard to find reliable sources online but these guys are legit.
Abigail Cooper –
Had a bit of a scare when my tracking number didn’t update for a few days. Contacted support and they were very quick to clarify it was just a customs delay. SUSTEN (PROGESTERONE) arrived safe and sound. Great service.
Emily Cox –
Minor issue with the order quantity initially, but they sent out the missing part immediately with express shipping. Very impressed with how they handled the mistake with my SUSTEN (PROGESTERONE) order.
Elijah Gray –
Top tier service! Order of SUSTEN (PROGESTERONE) arrived in Burlington in 11 days, well before the scheduled delivery date.
Emma Rogers –
Satisfied with the purchase. Support was very patient with my many questions about SUSPR-GEN-60Capsule-300mg. The package arrived well-wrapped and discreetly labeled.
Emily Jackson –
I’ve ordered SUSTEN (PROGESTERONE) twice now from here. Both times the product was genuine and worked as expected. It’s hard to find reliable sources online but these guys are legit.
Nancy Hernandez –
Quality service. It’s rare to find such responsive support these days. They even gave me a discount code for my next order of SUSTEN (PROGESTERONE). Very happy.
Mary Smith –
Straightforward ordering system. I appreciate the email updates at every stage. It makes buying SUSTEN (PROGESTERONE) feel much safer.
Evelyn Bailey –
Quick and easy checkout. The SUSTEN (PROGESTERONE) arrived faster than I expected, and the quality is excellent.
Paul Martinez –
Found MedQix after my local pharmacy ran out. Delivery to London took about 9 days, but the quality of the SUSTEN (PROGESTERONE) is exactly what I needed. Process was smooth.
Anthony Jackson –
Quality service. It’s rare to find such responsive support these days. They even gave me a discount code for my next order of SUSTEN (PROGESTERONE). Very happy.
Alexander Richardson –
The SUSTEN (PROGESTERONE) is effective. The only downside was the wait time (10 days), but considering the price difference, it’s worth it.
Charlotte Green –
Quality service. It’s rare to find such responsive support these days. They even gave me a discount code for my next order of SUSTEN (PROGESTERONE). Very happy.
Daniel Cooper –
Professional service. I had a question about the batch and they sent me a photo immediately. Very transparent company to buy SUSTEN (PROGESTERONE) from.
Dorothy Taylor –
The website was a bit slow to process my payment initially, but their support team helped me through it manually. Shipping to Sydney was okay, product is good.
Anthony Jackson –
Professional service. I had a question about the batch and they sent me a photo immediately. Very transparent company to buy SUSTEN (PROGESTERONE) from.
Michael Johnson –
Order arrived on time. The SUSTEN (PROGESTERONE) worked well, though I did have some mild side effects the first morning. Overall very satisfied with the purchase experience.
Matthew Roberts –
Trusted source for my meds. The packaging is very professional and the results are exactly what I expected from SUSTEN (PROGESTERONE). Thank you for the support.
David Brown –
Quality service. It’s rare to find such responsive support these days. They even gave me a discount code for my next order of SUSTEN (PROGESTERONE). Very happy.
Steven Anderson –
Bit of a delay with the local carrier once it reached my city, through no fault of MedQix. They actually followed up with me to make sure I got it. Very professional.
Jacob Howard –
Top tier service! Order of SUSTEN (PROGESTERONE) arrived in Brampton in 8 days, well before the scheduled delivery date.
Kevin Martin –
Order arrived on time. The SUSTEN (PROGESTERONE) worked well, though I did have some mild side effects the first morning. Overall very satisfied with the purchase experience.
Joseph Garcia –
Top tier service! Order of SUSTEN (PROGESTERONE) arrived in Brampton in 10 days, well before the scheduled delivery date.
Ethan Rivera –
Decent service. Had some trouble with my credit card being declined initially (my bank’s fault), but MedQix support suggested an alternative for my SUSTEN (PROGESTERONE) order that worked.
Anthony Jackson –
Best prices I’ve found online for SUSTEN (PROGESTERONE). The delivery was faster than expected and the product is definitely authentic. Safe and reliable.
Alexander Richardson –
Straightforward ordering system. I appreciate the email updates at every stage. It makes buying SUSTEN (PROGESTERONE) feel much safer.
Jessica Davis –
Best prices I’ve found online for SUSTEN (PROGESTERONE). The delivery was faster than expected and the product is definitely authentic. Safe and reliable.
Ashley Thomas –
Very professional team. They answered all my questions about SUSPR-GEN-180Capsule-300mg and shipping options immediately.
James Carter –
The website was a bit slow to process my payment initially, but their support team helped me through it manually. Shipping to Birmingham was okay, product is good.
Donald Lopez –
I’ve ordered SUSTEN (PROGESTERONE) twice now from here. Both times the product was genuine and worked as expected. It’s hard to find reliable sources online but these guys are legit.
Emily Cox –
Quick and easy checkout. The SUSTEN (PROGESTERONE) arrived faster than I expected, and the quality is excellent.
Steven Anderson –
Quality service. It’s rare to find such responsive support these days. They even gave me a discount code for my next order of SUSTEN (PROGESTERONE). Very happy.
Daniel Evans –
Was skeptical at first, but after seeing the reviews I gave it a try for SUSTEN (PROGESTERONE). Everything matches the description. Clear instructions were included too.
Donald Lopez –
Quality service. It’s rare to find such responsive support these days. They even gave me a discount code for my next order of SUSTEN (PROGESTERONE). Very happy.
Karen Martinez –
My doctor recommended SUSTEN (PROGESTERONE) and MedQix had the best price I could find. Delivery was discreet and the meds are effective. Will buy again.
Joseph Garcia –
Quality service. It’s rare to find such responsive support these days. They even gave me a discount code for my next order of SUSTEN (PROGESTERONE). Very happy.
Christopher Davis –
Excellent customer service. I accidentally entered the wrong shipping address, but they fixed it for me before it went out. Received the SUSTEN (PROGESTERONE) within 7 days.
Chloe Sanchez –
Straightforward ordering system. I appreciate the email updates at every stage. It makes buying SUSTEN (PROGESTERONE) feel much safer.
Alexander Richardson –
Good product. The box was a bit crushed during shipping, but the blister packs inside were perfectly intact. The SUSTEN (PROGESTERONE) is doing its job.
Emily Cox –
Best prices I’ve found online for SUSTEN (PROGESTERONE). The delivery was faster than expected and the product is definitely authentic. Safe and reliable.
Daniel Evans –
Straightforward ordering system. I appreciate the email updates at every stage. It makes buying SUSTEN (PROGESTERONE) feel much safer.
Anthony Jackson –
Best prices I’ve found online for SUSTEN (PROGESTERONE). The delivery was faster than expected and the product is definitely authentic. Safe and reliable.
Liam O Neill –
Was skeptical at first, but after seeing the reviews I gave it a try for SUSTEN (PROGESTERONE). Everything matches the description. Clear instructions were included too.
Patricia Johnson –
Great experience from start to finish. The tracking was accurate and the SUSTEN (PROGESTERONE) started working within a few days.
Henry Stewart –
Really glad I found this site. Authentic SUSTEN (PROGESTERONE) is hard to come by, but they delivered exactly what I ordered.
Michael Torres –
The website was a bit slow to process my payment initially, but their support team helped me through it manually. Shipping to Melbourne was okay, product is good.
Donna Martin –
Great experience from start to finish. The tracking was accurate and the SUSTEN (PROGESTERONE) started working within a few days.
Elizabeth Ward –
Decent service. Had some trouble with my credit card being declined initially (my bank’s fault), but MedQix support suggested an alternative for my SUSTEN (PROGESTERONE) order that worked.
Jacob Howard –
Very professional team. They answered all my questions about SUSPR-GEN-60Capsule-400mg and shipping options immediately.
Elizabeth Ward –
Good product. The box was a bit crushed during shipping, but the blister packs inside were perfectly intact. The SUSTEN (PROGESTERONE) is doing its job.
Mary Smith –
Straightforward ordering system. I appreciate the email updates at every stage. It makes buying SUSTEN feel much safer.
Priya Malhotra –
Satisfied with the purchase. Support was very patient with my many questions about SUSPR-GEN. The package arrived well-wrapped and discreetly labeled.
Steven Anderson –
Third time ordering from here. Consistency is key for me and they have delivered every single time without fail. Quality of SUSTEN is top notch.
Kevin Martin –
Good product. The box was a bit crushed during shipping, but the blister packs inside were perfectly intact. The SUSTEN is doing its job.
Donald Lopez –
Found MedQix after my local pharmacy ran out. Delivery to London took about 12 days, but the quality of the SUSTEN is exactly what I needed. Process was smooth.
James Smith –
If you’re looking for genuine SUSTEN, this is the place. I’ve tried other sites that felt like scams, but MedQix is the real deal.
James Carter –
Highly recommend. Fast shipping to my location and the customer support is actually human and helpful. 5 stars for the SUSTEN experience.