The key message in answering the question...
"What is Progesterone?" is simply this...
"Natural" progesterone... just as your body makes it, is a unique substance with unique properties that cannot be faked and that are essential to good health and...
...to life itself.
To learn more about this essential substance and its therapeutic benefits please follow the links in the left margin menu. Please also subscribe to my newsletter, you'll find a link to the subscription page in the left menu.
If your interest is more technical or research oriented then please...
...click here to find some rather condensed information on the effects of progesterone in the human body.
A caution... its very dry reading unless you're excited by the science!
To hear my own personal story... the one that led me to set up this website about the benefits of progesterone therapy please click here.

PS...
Have you benefited from progesterone therapy?
If you have overcome an illness or condition with progesterone therapy then we'd love to hear it. Sharing it will help us all get a better understanding of just how important progesterone is in solving a wide range of health issues.
Here's what others have said
Click on the links below to see contributions and comments from other visitors to this page...
Progesterone has worked for me
I am 47 years old and started the menopause around age 40. I did not hear about progesterone cream until a couple of years ago. It works well for me ...
Progesterone cleared up PMS symptoms
Before I started using progesterone I used to retain water so badly that my bra size could go up a size before and during my menstruation. I used to have ...
Excessive bleeding and progesterone
I used progesterone from a formulating apothecary in an oil base I put under my tongue. I had to work on getting the right dose because I would break out ...
Natural progesterone for 37 years
I've used natural progesterone on and off for 37 years, since I was 20. I'm so delighted that Katherina Dalton is being recognised on your excellent website....
Should I use Progesterone cream?
I had a complete hysterectomy over a year ago and I've gained 20 lbs. I also have water rentention on and off. I'm not taking HRT at all. Should I use ...
Periods bearable but
I am 48 years old and the last five years or so my periods have become increasingly extremely heavy, with several large clots, etc. I got to the point ...
Imbalanced mess since Depro Provera
I am 49 years old, have suffered from Severe PMS all of my adult life. Had started using natural Progesterone cream 14 days on about 2 1/2 years ago. It ...
Progesterone and multiple sclerosis
I have been on Chemotherapy (Mitoxantrone) as a treatment for multiple sclerosis every 3 months for the past 9 months. I was wondering if anyone has any ...
Depression please help
I had my uterus removed in 2003 and ovaries in 2004. No doctors believe or care how badly I feel. I tried biodentical hormones after the patch didn't work....
Progesterone question
When I was young I had several miscarriages and lost twins at 7 months. When I got pregnant again with twins I was given shots (I thought of progesterone)...
How to get pregnant
The problem started since my last delivery. For more than 8 years I had lots of family problems but I used to take Yassmin cp, for 4 years. I then stopped ...
Progesterone helped my premenopause symptoms
I have bad insomnia, dry wrinkled skin, hair loss and limp hair, mood swing, PMS, low libido. I get weepy, can't handle stress and have irregular menses....
Risk of no periods
Six weeks after giving birth to my son my gyno said that I could start taking birth contol pills.
I was on the pill for 3 yrs. I thought they were safe....
Progesterone treatment while pregnant
My doctor prescribed progesterone suppositories and I'm not sure I should continue to take them. I have read about the side effects and precautions and ...
I have a question
Is 23 too young to begin taking progesterone? What would the effects be? Would it be more beneficial or harmful?
Does progesterone help with complete period stop?
My period has stopped for almost 3 months now. I went to an OB and she gave me progesterone tablets. How will it help with my problem?
Long term use of birth control
Someone at a health food and supplement store recommended use of progesterone cream to offset symptoms of long term birth control use. I have been on birth ...
Does Flarex contain steroids similar to progesterone?
I had laser eye surgery 8 months ago.
I would like to know is it normal and safe to get the therapy with Flucon (Flarex) Fluorometholone Acetate 0....
Progesterone in early normal pregnancy?
My wife's doctor has advised her to take Progesterone.
Dosage: 1 Susten 200/daily internally.
Question: Is it safe and necessary to take this medicine ...
Testosterone pellet
I just wanted to ask a quick question. I had a testosterone pellet placed two years ago, it has long been dissolved, but I'm experiencing bad side effects....
Is Progesterone Delaying my period?
I'm 37 years old. Last April I miscarried at 7 weeks. My Doctor suspected low progesterone. I also have very small fibroids in the uterus - less than 2 ...
Is it safe to continue with Prometrium?
I'm just in the initial stages of researching bioidentical hormones. I'm 58 and suffer from debilitating fatique at the top of my list of symptoms. Both ...
Is progesterone delaying my period?
I'm 41 years old. Last year I miscarried at 7 weeks. I suspected low progesterone, but the doctors did nothing about it. I also have very small fibroids ...
Trouble getting off HRT
I recently wrote saying after three months of gradually cutting down to just one Livial a week that I was starting to get irritable and quick tempered....
Oral contraceptives and progesterone cream
I am interested in trying Natpro to relieve symptoms possibly related to estrogen dominance. I am, however, on oral contraceptives as I am in a committed ...
Progesterone help prostate cancer
Please help...
I went for a normal cervical smear. The result was CIN 1 cells. I've been using Natpro for about 6 months because of my periods being ...
Should I use progesterone cream?
I am 67 years old. I would like to know if using progesterone cream would be alright for me. I seem to be very down a lot of the time. As well as very ...
I am still irritable
I have been using Natpro for 3 months now whilst tapering off my Livial. I now only take one every 5 days so another couple of weeks and I should be off ...
Progesterone works but need help
As I am not sure which events are linked, I have put down
everything that might be relevant in chronological order.
All the problems have manifested ...
Total Hysterectomy and on HRT
I am 36 years of age. I had a total abdominal hysterectomy in 2006, and since then have been taking Premarin 1.25 mg/day.
I have noticed weight gain,...
Progesterone and skin problems excema
During all my pregnancies, I suffered with a dermatitis-excema rash on my hands and face which disappeared afterwards. Now I am starting menopause and ...
Where can I get progesterone?
Just read your website... sounds interesting. I was diagnosed with PCOS and I'm on birth control pills. Just wondering where can I get progesterone from....
Does the method of progesterone therapy make any difference?
My first pregnancy was perfect. I am carrying my second pregnancy. In the 8th week I had some bleeding, like dark clots. My doctor recommended bed rest ...
PCOS and low progesterone levels
I'm 28 years old and my husband and I have been trying to concieve unsuccessfully for the past 4 years. During that time I have seen a specialist only ...
Progestrone injections during pregnancy
How important is it to take take progestrone injections during pregnancy?
Progesterone and cancer and hormone receptors
Does progesterone block our hormone receptors like estrogen and testosterone? What is the relation between excessive progesterone and cancer? Is it true ...
Foods containing progesterone
I have been on the internet for 4 hours looking for actual foods containing progesterone... not creams... or pills... the actual food. All I found was ...
Does progesterone help with blood sugar and anxiety?
I am 42 and according to blood work I am post menopausal. I started experiencing anxiety and panic attacks one year ago, shortly after my diagnosis of ...
Progesterone and thyroid
I was diagnosed with hypothyroidism (specifically, Hashimoto's) with a TPO of 1262. In range was 0-35. I was put on synthroid and my TPO (thyroid peroxidase ...
Are progesterone tabs safe?
I am pregnant by about 5 weeks. My gyno has prescribed me gestone tablets (progesterone 200 mg). Is it safe to consume it? Since I am 26 yrs of age, is ...
Progesterone helped me
I am 33 years old and have had 2 live births and 6 losses that I believe are progesterone-deficiency related. The last pregnancy/loss I used progesterone ...
Life after YAZ birth Control Pill
I am 25yrs old and took YAZ, under the recommendation of my OB/GYN to decrease the activity of my ovaries and thus increase my chances of conception if ...
Could progesterone cream help?
I am a 54 year old female, and one year ago I had surgery to remove endometrial tissue from my intestines. I had no symptoms of endometriosis until I ...
Always tired
I am 37 years old and wiegh 140 lbs. After a blood test and compaints to my doctor of always being tired, very hard to lose weight ( exercising like crazy)...
Taking 200 mg of progesterone
I was released by a fertility clinic over a month ago to my OBGYN
He has not taken me off the progesterone yet and I am 14 weeks pregnant. I am questioning ...
Progesterone and Hypertension
I had 3 3 month Depo Provera shots plus a Lupron injection before my endometrial ablation 6 weeks ago. I had been taking progestin BC pills a few months ...
Progesterone and hair loss
I am very concerned my hair has been shedding for quite some time. I was told that white flour and white sugar "would destroy me" but lately the problem ...
Additional benefits of progesterone
I gave birth several months ago and, as most people know, when pregnant the mother's hair gets thick and luxurious. After birth, my hair has fallen out ...
Progesterone for ADHD
Hello, I have a friend that has a 14 year old boy with ADHD. Do you have any information on the use of progesterone cream for this condition?
Thank you...
Question about progesterone
Dear Wray,
I was diagnosed with mxoid leiomyosarcoma back in 2004. It has reoccurred 4 times since then. I have done every possible health thing to ...
Progesterone makes me so crabby and unhappy
I have had severe emotional symptoms relating to menopause -depression and anxiety for the most part. After 2 years of trying to treat them naturally and ...
Will progesterone tablets increase the risk of abortion?
I'm not quite clear as to the difference between progesterone, progestins and progestogens. My question is, if I consume tablets containing progesterones,...
Progesterone cream or trouche
Hello, I was just wondering what was better progesterone cream or trouches. I have both 20 mg trouch told to take once a day and I also have natural cream ...
Hormones and muscles
I have just found your website. I have a question about the effect of estrogen and/or proegesterone on muscles and ligaments. I am post menopausal and ...
Bleeding During Use Of Progesterone
I have been using natural progesterone for about a year now. I use 1/8 of a tsp am and pm from day 15 to day 28 of my cycle.
Although most of my symptoms ...
Need advice on use of Progesterone Cream
Hello Wray
I have been using the Progesterone Cream now for about 7 - 8 weeks. (I might add here that I have just finished chemo therapy and radiation ...
Gaining weight on hormones
My doctor put me on the transdermal gel, Estrogel and Prometrium a progesterone. These are to help menopause symptoms and prevention of Osteoporosis. I ...
Progesterone returned my body to a healthy cycle following chemo.
Hi My name is Maz and this is my second story to add to this wonderful site regarding progesterone.
After having used Progesterone Cream for nearly ...
Progesterone healed my radiation burns in days
Hello, my name is Maz and I would like to share my story on this amazing product.
I was introduced to progesterone Cream at the time I was part way ...
Will progesterone help a child?
A son of a friend, age two and a half, suffers from...
1. asthma
2. nut allergy
3. Eczema
I wondered if progesterone cream could be of some help ...
Progesterone
What is the normal range of progesternoe in our bodies male and female?
Fibroids during pregnancy
Is is possible to shrink fibroids during pregnancy with the help of progesterone?
Progestrone in myopathy
Hello, I have a patient - 2 year baby who had need to ventilator therapy for 30 days - in I.C.U with myopathy. I need information for substantial relief ...
Do I need to take Progesterone?
Hi
I am pregant and it is my 8th week. When I met my Dr yesterday she asked me to take Susten 200 (Progesterone). It was my first visit after my pregnacy....
No period for 3 years
I am 25 years old and haven't had a period in 3 years. I have been to numerous doctors and they have put me on Provera and said that it is quite normal....
Side effects, does it mean it's working?
Dear Wray,
I just started on Natpro a week ago. I read in the insert about symptoms getting worse in the beginning. How long typically does this occur ...
Miren Coil
Is it okay to use natural progesterone with a mire a coil!!!
Progesterone doesn't work in me!
I'm a 29 year old lady, and work for a family doctor. I'm married and have been trying to concieve for four years. I underwent many IVF (In Vitro Fertilization)...
Progesterone to avoid miscarriage - caps inserted vaginally
My wife's doctor prescribed progesterone capsules for my wife to help her avoid a miscarriage, after we lost the last two babies within 2 months or less....
Ovarian cysts & progesterone
My Mother is 76 years old & was rushed into hospital end of June this year with rapid heartbeat. She has a heart murmur & an overactive thyroid, in short,...
Don't know which way to turn
I am 44 years old. I have had a large fibroid removed by surgery 8 years ago. I now have an 8cm fibroid with poor vascularisation and an oedema inside ...
Progesterone: The key fit
After menopause (cessation of bleeding 15 months) I had kidney pain, severe migraines and body aches at all times. Severe fatigue hit me and I had adrenal ...
Factor V
I have Factor V leiden disorder. Having thick lining and am post menopausal. Dr. put me on Prometrium 12 days of each month. Is this safe with having ...
Natpro makes my period come early
I started using Natpro because my periods were getting shorter and because I have premenstrual spotting. As a result, all I got was my period even shorter....
A question or two...
I have had a hysterectomy (I've kept my ovaries) because of pretty bad fibroids.
I am wondering: if my problem was caused by a progesterone deficiency,...
Which hormones to take?
I have been reading for some time now about natural hormone replacement therapy and have tried to find a doctor who truely understands bioidentical hormones ...
Can you use too much?
I have had hypoglycemia with panic/anxiety for many years. Hashimoto's as well, it seems. With saliva testing I was told I was low in progesterone and ...
Progesterone for help with Luteal Phase Defect ?
Hi ! I have been tracking my ovulation and find that my luteal phase is between 7 and 9 days. I understand that this is far too few days and it would ...
Wondering...
In 1983, while working on a yacht in Spain, I began hemorrhaging and was given a number of vials of progesterone by a Spanish physician. Two years later ...
I think that I have a problem in progesterone hormone
Because I took birth control pills (drospirenone+ethinylestradiol) for 1 month. I stopped it because I had spotting blood for 20 days. Then I changed to ...
Progesterone reduced my supraventricular tachycardia
I am 53, and post menopausal for about 3 years now. I used progesterone cream during the transition into menopause, and it effectively eliminated all ...
Feeling desperate
Can you have too much progesterone? I have come off a bio-identical troche but it was prescribed from a blood test. When I did i a saliva test my levels ...
Ovarian cysts & progesterone
Thank you Wray for your comments regarding my Mothers problem. The progesterone cream is Doctor formulated with 1800mg of natural progesterone. Each 1/...
Been told I need natural progesterone
I need to ask that if I have been told I may have low progesterone and need natural progesterone, what does this mean? Do I need to take tablets or some ...
Progesterone - is this the answer to all my problems?
I've filled in a questionare at Emagene's Bfn, and it seems like I need Progesterone
I want to start using my "Natpro cream" but I'm so scared I'll ...
Thank you!
Wray, Thank you for your response. I am hoping that it might help. I'm going to give it a try. Vicki
Progesterone combination
I want to talk with my GYN regarding this hormone, but I do not know if I need a combination of other hormones to help with depression, lack of energy,...
Hysterectomy and Progesterone Cream
I have had a Hysterectomy over 7 years ago ago and I began using Progesterone Cream for a couple of years to alleviate symptoms. However, I felt better ...
Enquiry
What are the products containing high or low progesterone? Maybe food substances? Please give examples.
Is it harmful taking oral progesterone with parlodel?
I have been trying to conceive and been diagonsed as having low progesterone and high prolactin. I have been placed on primolutn (2 tabs per day) and parlodel ...
Swollen knuckles knees, and ankles
Oh my gosh! I have been using the Natpro for almost a month. I was very estrogen dominant, but was going to do the 3 month trial to give it a chance....
Progesterone saved my sanity
For years, doctors thought I was depressed even though I kept telling them my problem was somehow hormone related. I only knew that because my PMS was ...
Too much progesterone
My saliva test showed my progesterone was 421, and my estrogens were all at normal levels. What can I do to lower my progesterone?
Progesterone & Testosterone making me feel ill
Have started using 4% progesterone and 1% testosterone. Have been on it for 4 days only (currently using flat 1/4 teaspoon). I woke up this morning feeling ...
Progesterone cream made my periods late.
I started using Natro progesterone cream about two weeks ago, three times a day, 1/4 teaspoon ten minutes before meals.
My period is now nine days late ...
Am I using enough, and do I keep applying?
Dear Wray,
My two questions are - the "pea size" amount that I am applying means that the jar will last me longer than 3 months, I am obviously not ...
Unbearably irritable
Be careful - I have tried natural progesterone twice and it has caused me to become really unbearable irritable and crabby. It's very hard to be around ...
Infrequent menstrual cycle
I've had an infrequent menstrual cycle since getting off the pill. What natural/herbal remedies are there that would help regulate a normal menstrual cycle ...
Progesterone injections
Will progesterone injections help me? I have had two miscarriages in the past three years. Right now, I am 12 weeks pregnant. I have a weak cervix and ...
Post Cervical Procedure and Progesterone
My husband and I were looking for fertility help when an examination found that there was irregular precancer growth in my pap smear. My main fear was ...
Problem with my progesterone
My name is Flor, I am female and I have old problems with my body! I have the analysis results, but I don't know how to read them! My progesterone is 21,...
Hormone confusion
I'm a thirty nine year old woman who had a complete hysterectomy. I no longer have my uterus, ovaries or cervix. I was put on 1mg of Premerian after my ...
Progesterone cleared up PMS symptoms
Before I started using progesterone I used to retain water so badly that my bra size could go up a size before and during my menstruation. I used to have ...
Progesterone, Endometriosis & Depression
When I was 40 I had a tubal ligation I had been on the combined contraceptive pill for 24 years.
After my tubal ligation the surgeon told me that I ...
Progesterone and prostate cancer
My husband was treated for prostate cancer 2 years ago with radiation (45 treatments) followed by Lupron injections and Casodex, then no Casodex but Ketoconazole ...
Transdermal Progesterone vs Oral Progesterone
I am 6 months post surgical menopause. I am currently taking (oral) 1 MG OF estriol at night and 25mgs of oral progesterone twice daily (total 50 mgs), testosterone ...
Is Progesterone going to save my life ?
Having been ill since 2000, having a full hysterectomy and fibriods in 2002 then getting progessively worse ever since going round a series of Doctors ...
Does progesterone help an enlarged prostate or prostate cancer?
My PSA level was at 7 andI was told to see a urologist to check for prostate cancer. But someone I know with the same problem said to try prosta-care. It ...
Dilemma over hormones
My dilemma is as follows. Age 53 and cannot ever be given artifical/drug horomones of any kind due to thrombosis after child birth when I was 24. Up until ...
Infant asthma
Hi Mary I believe progesterone could help. Interestingly the prevalence of asthma in infant boys is greater than girls. Eczema could possibly be helped,...
Progesterone and psoriasis
We have had people reporting their psoriasis is better when using progesterone. It has many properties which indicate it should help. Psoriasis is believed ...