Natural Micronized Progesterone SR 300 mg Tablets

Product Detail	Information
Brand Name	Kastgest 300 SR
Composition	Natural Micronized Progesterone 300 mg
Dosage Form	Sustained Release Tablet
Packing	10*1=10
Category	Gynae and Infertility Range / Hormone
Prescription	Prescription only (Rx)
Available For	PCD Pharma Franchise and Distributorship

Kastgest 300 SR is a sustained release tablet of natural micronized progesterone 300 mg. Progesterone is the hormone that prepares the lining of the uterus for pregnancy and then helps keep that pregnancy going. When the body does not make enough of it, doctors may prescribe progesterone to make up the shortfall.

Novalab Gynae Care offers Natural Micronized Progesterone SR 300 mg Tablets for PCD pharma distributorship across India. Below, we explain what this medicine is, how it works, where gynaecologists use it, its benefits and side effects, and why it is one of the most useful products in a gynae and infertility range.

What Is Natural Micronized Progesterone?

The word “natural” here means the progesterone in the tablet has the same chemical structure as the progesterone made by a woman’s own ovaries. This sets it apart from synthetic progestins such as norethisterone or dydrogesterone, which act in a similar way but are chemically different molecules.

“Micronized” means the progesterone has been ground into extremely fine particles. Plain progesterone is poorly absorbed when swallowed, and breaking it into tiny particles helps the body absorb much more of it from the gut.

“Sustained release” means the tablet is designed to release the medicine slowly over several hours, instead of all at once. This gives steadier hormone levels through the day.

Role of Progesterone in Pregnancy and Fertility

Every month, after an egg is released, the ovary produces progesterone. This hormone thickens and stabilises the lining of the uterus, the endometrium, so that a fertilised egg can attach to it. If pregnancy happens, progesterone keeps the lining in place and helps relax the muscle of the uterus in the early weeks.

The phase after ovulation is called the luteal phase. When the body does not make enough progesterone during this phase, the lining may not be ready for the embryo, and the early pregnancy may not hold. This is called luteal phase deficiency. It is one of the reasons progesterone support is widely used in infertility treatment and in women with a history of pregnancy loss, as decided by their doctor.

How Progesterone SR Tablets Work

Once absorbed, the progesterone from the tablet acts on the same receptors in the uterus as the body’s own hormone. It changes the endometrium into a soft, nourishing lining that can support an embryo, and it reduces unwanted contractions of the uterine muscle.

The sustained release design matters here. Because the medicine is released slowly, the hormone level in the blood stays more even than with an ordinary tablet, and doctors can often prescribe it with fewer doses in a day.

Uses of Natural Micronized Progesterone SR 300 mg Tablets

Gynaecologists and infertility specialists prescribe progesterone tablets in several situations. The main uses are:

1. Luteal phase support during infertility treatment, including IUI and IVF cycles.
2. Support in early pregnancy for women with threatened miscarriage or a history of repeated miscarriage.
3. Treatment of irregular or absent periods caused by low progesterone.
4. Abnormal uterine bleeding linked to hormonal imbalance.
5. Along with oestrogen in hormone therapy after menopause, to protect the lining of the uterus.

The choice of progesterone, its route, the dose and the length of treatment are always decided by the doctor based on the patient’s condition.

Benefits of Natural Micronized Progesterone SR Tablets

The main benefit is that it replaces a hormone the body already knows. Since natural progesterone is identical to the body’s own, it supports the uterine lining in the same way the ovaries would.

The micronized form improves absorption, which makes the oral route practical. Many women find a tablet far more comfortable than vaginal pessaries or progesterone injections, which can be painful and need repeated clinic visits. Better comfort usually means better adherence, and in fertility treatment, missing doses can matter.

The sustained release design keeps hormone levels steadier through the day and can reduce the number of tablets needed. A higher strength like 300 mg also gives doctors a convenient option when a larger dose is required.

For a franchise partner, the benefit is steady demand from a high value segment. Progesterone is prescribed in infertility clinics, early pregnancy care and menstrual disorders, so one product connects you with several types of gynae prescriptions.

Possible Side Effects of Progesterone SR Tablets

Most women take progesterone without serious problems. Like any hormone, though, it can cause some changes in the body, and it helps to know what is common and what needs attention.

Common Side Effects

Drowsiness and dizziness are among the most common side effects of oral progesterone, so women should be careful about driving or operating machinery until they know how it affects them. Breast tenderness, bloating, headache, nausea, tiredness and mood changes are also fairly common. Some women notice light spotting. These effects are usually mild and often settle as the body adjusts.

Serious Side Effects

Rarely, hormone medicines can increase the risk of blood clots. Pain or swelling in one leg, sudden chest pain, breathlessness, sudden severe headache or sudden changes in vision need urgent medical care.

Yellowing of the skin or eyes, severe stomach pain, heavy unexpected bleeding, depression that gets worse, or allergic reactions such as rash and swelling of the face should also be reported to a doctor straight away.

Precautions and Warnings

1. Progesterone tablets are a prescription medicine and should be used only under a gynaecologist’s advice.
2. They should not be used by women with unexplained vaginal bleeding until the cause has been checked by a doctor.
3. Women with a history of blood clots, stroke or heart attack need careful assessment before use.
4. They are not suitable for women with known or suspected breast cancer or other hormone sensitive cancers, or with serious liver disease.
5. They should not be used after a missed or incomplete miscarriage unless the doctor advises it.
6. Women with depression, migraine, epilepsy, diabetes, asthma, or heart or kidney problems should tell their doctor, as progesterone can affect these conditions.
7. Small amounts of progesterone can pass into breast milk, so breastfeeding mothers should use it only on medical advice.

Storage and Handling

Kastgest 300 SR tablets should be stored in a cool, dry place, away from direct sunlight and moisture, as directed on the pack. Sustained release tablets should be kept in their original strip until use, because damage to the tablet can affect how the medicine is released. For distributors and chemists, proper storage during summer months helps keep the stock effective until its expiry date.

Why Kastgest 300 SR Is a Strong Gynae Franchise Product

The demand for progesterone in India comes from several directions at once. Infertility clinics use it in almost every treatment cycle. Gynaecologists prescribe it in early pregnancy care, and it is also used for menstrual problems and in menopause care. As more couples seek fertility treatment in smaller cities, this demand keeps spreading beyond the metros.

As a Kastgest 300 SR franchise partner, you get monopoly rights in your area, which means no other Novalab partner sells it in your territory. Gynae and infertility prescriptions often come from a few leading doctors in each town, so holding that relationship on your own is a real advantage. Novalab supports partners with visual aids and product literature. Products are made in WHO certified units, the company holds ISO 9001:2015 certification, and orders are dispatched from Panchkula, Haryana.

Kastgest 300 SR also fits well with other products in the range, such as Vomijoy-DP (doxylamine, pyridoxine and folic acid) for nausea and vomiting in pregnancy. Both go to the same gynaecologist, often for the same patient.

How to Start Your Gynae PCD Franchise With Novalab Gynae Care

Kastgest 300 SR suits distributors and stockists who work with gynaecologists and infertility clinics, medical representatives in the gynae field who want to start their own business, and existing PCD partners building a gynae or infertility range. Here is how to begin:

1. Send a WhatsApp message, or fill in the enquiry form on this page.
2. Share your area so the team can check monopoly availability.
3. Choose Kastgest 300 SR along with other gynae products that suit the doctors you visit.
4. Submit your drug licence and GST details to complete the paperwork.
5. Place your first order and receive the stock with promotional material.

Frequently Asked Questions

Q1. What is natural micronized progesterone SR 300 mg used for?

Ans: It is used for luteal phase support in infertility treatment, for support in early pregnancy in women at risk of miscarriage, and for menstrual problems linked to low progesterone. It is also used with oestrogen in hormone therapy after menopause.

Q2. What is the difference between natural progesterone and synthetic progestins?

Ans: Natural progesterone has the same chemical structure as the hormone made by the body. Synthetic progestins, such as norethisterone and dydrogesterone, work in a similar way but are different molecules.

Q3. What does “micronized” mean in progesterone tablets?

Ans: It means the progesterone is ground into very fine particles. This helps the body absorb more of the hormone when it is taken by mouth.

Q4. What are the benefits of the sustained release form?

Ans: The tablet releases progesterone slowly over several hours, which keeps hormone levels steadier and can reduce the number of doses needed in a day.

Q5. What are the common side effects of progesterone tablets?

Ans: Drowsiness, dizziness, breast tenderness, bloating, headache and mood changes are the most common. Leg pain or swelling, chest pain or sudden breathlessness need urgent medical attention.

Q6. Is Kastgest 300 SR available for PCD franchise?

Ans: Yes. Novalab Gynae Care offers Kastgest 300 SR for PCD pharma distributorship across India, with monopoly rights in your area, subject to availability.

Q7. Which doctors prescribe progesterone SR tablets?

Ans: Gynaecologists, obstetricians and infertility specialists are the main prescribers. IVF centres and fertility clinics are also regular users.

Build Your Gynae and Infertility Range With Novalab Gynae Care

Progesterone is one of the core medicines in gynae practice. It supports conception, protects early pregnancy and helps balance the menstrual cycle, which is why gynaecologists and fertility specialists prescribe it so often. For a franchise partner, that means a product with steady, year round demand from doctors who value reliable supply.

Kastgest 300 SR gives you a natural micronized progesterone in a convenient sustained release tablet, monopoly rights in your area and the backing of a company with a full gynae range. To check whether your territory is available, Get in touch with us.