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Doctor insights on: Bioidentical Estriol

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Is menest (esterified estrogens) a bioidentical hormone?

Is menest (esterified estrogens) a bioidentical hormone?

No: Menest (esterified estrogens) consists of esterified Estrogens such as sodium estrone sulfate and sodium equilin sulfate. Bioidentical estrogen would be pricipally estradiol, as well as estrone and estriol. ...Read more

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Dr. Janet Chollet
80 doctors shared insights

Estriol (Definition)

There are three forms of naturally occuring estrogen in the body, estrone, estradiol, and estriol. Estriol is the most commonly used and recommended form of estrogen for menopausal symptoms. Estriol has great benefit to the cells of the vagina but has little effect on the breast or the uterine lining when used conservatively. I always recommend the lowest dose of ...Read more


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Is the prometrium (micronized progesterone) a bio identical hormone?

Is  the prometrium (micronized progesterone) a bio identical hormone?

Prometrium (micronized progesterone): Yes. Prometrium (micronized progesterone) is natural Progesterone and is a bio identical hormone to human progesterone. ...Read more

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Are bio identical testosterone pellets safe?

Are  bio identical testosterone pellets safe?

Yes!: It enhances the quality of life for both men and women by decreasing the diseases of aging. Cells that require estrogen use testosterone to manufacture estrogen inside the cell by a chemical conversion that uses an enzyme called aromatase.T is present ; extremely important in both women ; men pellet therapy is the only method that allows the body to control the release of hormones raising leve. ...Read more

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Is estratest (esterified estrogens and methylestosterone) a biochemical hormone?

Is estratest (esterified estrogens and methylestosterone) a biochemical hormone?

Yes...: ...But perhaps you mean bioidentical. All hormones are biochemicals. Estratest (esterified estrogens and methylestosterone) is a combination of methyltestosteone, which is synthetic and not the same as your own testosterone, and mixed estrogen hormones which are excreted by pregnant mares in their urine. These hormones are similar to, but not identical to, natural human hormones. ...Read more

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Does exercise affect estradiol + estrone: progesterone ratio?

Does exercise affect estradiol + estrone: progesterone ratio?

Yes: Any of these hormones can be affected by exercise. What matters most is the amount of fat you have in your body, because fat stores estrogen, which can affect the signaling for ovulation in your body, which can really affect the amount of progesterone that would be found on a blood test. ...Read more

Dr. Alvin Lin Dr. Lin
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Which synthetic estrogen is safest, Estradiol Valerate, Mestranol, or Ethinyl Estradiol?

Dr. Alvin Lin Dr. Lin
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Which synthetic estrogen is safest, Estradiol Valerate, Mestranol, or Ethinyl Estradiol?

Synthetic meds: 1st no such thing as free lunch ie there's always some potential risk or side effect. 2nd FDA only approves meds which they deem benefit greater than risk (tho obviously not w/o disagreement & controversy). 3rd no studies demonstrate benefit of any oral estrogen over another tho some studies suggest topical safe than oral. 4th Natural isn't safe than synthetic ie tobacco is natural but isn't safe! ...Read more

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What is "bioidentical" hormone?

What is "bioidentical" hormone?

Similar: The idea of bioidentical hormones is to give patients the same hormone their body produces without synthetic or chemical alteration. Estradiol (made by the ovary) if delivered through the skin is not altered by the liver & is therefore, bioidentical. Prometrium (micronized progesterone) (progesterone) is bioidentical whereas Provera (chemically altered progesterone) is not. ...Read more

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Are estrone, estradiol, progesterone and androstenedione all male or female hormones?

Are estrone, estradiol, progesterone and androstenedione all male or female hormones?

Both but: All of these hormones are produced by men and women. Estrone, Estradiol and Progesterone primarily female hormones. Androstenedione has androgenic (male like effects) and is elevated in many women with pcos. ...Read more

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What are bioidentical hormones?

What are bioidentical hormones?

Natural HRT. : Bioidentical hormones are hormones produced in a laboratory to be identical in chemical structure to what the body would produce. ...Read more

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Which costs less: conjugated estrogens (premarin) or the bio-identical estrogen patch?

Which costs less: conjugated estrogens (premarin) or the bio-identical estrogen patch?

Varies: The prices for either can vary widely between different pharmacies. The least expensive form of estrogen replacement therapy is usually generic ethynil Estradiol which is available for as little as $4 for a one month supply at some pharmacies. ...Read more

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Is synthetic testosterone one of the bioidentical hormones?

Is synthetic testosterone one of the bioidentical hormones?

Yes but who cares?: This idea of taking "bio-identical" hormones is getting out of hand. While the concept is cute, it's not a recognized term. There are many good medications that are not bio-identical. Are there safer vs more harmful forms of T? Absolutely! Avoid oral T like the plague b/c liver risk. But whether you use cream, gel, patch or shot is up to you & your doc. Be sure to get labs monitored regularly. ...Read more

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What hormones suppress estrogen?

What hormones suppress estrogen?

Estrogen suppression: The most likely one would be testosterone. I would appreciate it if you would let me know some more detail. ...Read more

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Where is information on normal levels of progesterone, estradiol, estriol, testosterone & dhea?

Where is information on normal levels of progesterone, estradiol, estriol, testosterone & dhea?

Lab reference ranges: Levels of these hormones are only as reliable as their test kits. One lab may use a different method for detection than another. You may not be able to compare values between different labs. Labs also set their normal ranges based on multiple tests. You need to discuss these hormones with an endocrinologist as they're trained to understand the different testing methods. ...Read more

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Has anyone tried bioidentical estradiol and estriol ?

Every day: Estradiol plus estriol in a cream is generally called bi-est. It is part of what a lot of docs use when they are treating you with bioidentical hormones. ...Read more

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Is progesterone an estrogen?

Is progesterone an estrogen?

No: Progesterone is another ovarian hormone quite distinct from estrogen. One major effect of Progesterone is stabilization of an early pregnancy. ...Read more

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Dr. Alvin Lin Dr. Lin
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Are there bioidentical hormones of testosterone?

Dr. Alvin Lin Dr. Lin
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Are there bioidentical hormones of testosterone?

Yes & no . . .: Depends upon what you're asking. While "bio-identical" is not a scientifically recognized phrase, concept makes sense: take things that are identical to what body produces. However, there are many commonly used medications that are not "bio-identical" so that really shouldn't be your guiding principle. Instead, ask about alternatives & what you hope to achieve. Re T, shots, patches & creams r good ...Read more

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Side effect of hormone replacement like estratest (esterified estrogens and methylestosterone)?

Side effect of hormone replacement like estratest (esterified estrogens and methylestosterone)?

Several.: If you have metabolic syndrome (bad cholesterol/hdl, high bp, weight on the middle, not for you. If you are more pear shaped, no effects ecept improving libido. The principle adverse effects relate to the estrogen. ...Read more