Patients often arrive having been told one of two things: that compounded hormones are dangerous and unregulated, or that they are the only truly individualized option. Neither is accurate as a general statement, and the disagreement usually comes down to people describing different products under the same word.
Here is how we think about it.
What "FDA-approved" means
An FDA-approved hormone product has been through the agency's review process for a specific formulation at specific doses. The manufacturer has demonstrated consistency of content, and the product carries approved labeling with indications and warnings.
Several bioidentical hormones — meaning molecules structurally identical to those the body produces — are available as FDA-approved products. Estradiol patches, gels and sprays, and oral micronized progesterone, are the common examples. The word "bioidentical" describes the molecule, not the regulatory status, which is why "bioidentical" and "FDA-approved" are not opposites.
What "compounded" means
A compounded preparation is made for an individual patient by a compounding pharmacy, typically to a prescriber's specification. Compounding pharmacies are regulated, but individual compounded preparations do not go through FDA approval, and content uniformity depends on the pharmacy's own standards and quality control.
Compounding exists because approved products do not cover every clinical situation. It is the answer when a patient needs a dose that is not manufactured, needs a combination that no approved product provides, or cannot tolerate an excipient in a commercial formulation.
What the evidence actually shows
Compounded bioidentical preparations cannot be patented, because the molecules are identical to the ones the body already makes. Without a patent there is no commercial sponsor with a reason to fund large double-blind trials, so that tier of evidence does not exist. Its absence reflects the economics of drug development rather than a finding about the preparations.
What does exist is smaller and more recent. A 2022 systematic review and meta-analysis in Menopause pooled 29 randomized controlled trials covering 1,808 perimenopausal and postmenopausal women, and found that compounded androgen therapy was not associated with adverse changes in lipid profile or glucose metabolism (Liu and colleagues, 2022).
That is a narrower statement than "compounded hormones are safe," and it should be read as one. It describes specific measured outcomes in the trials that have been run. The fair summary is that compounded preparations carry less rigorous safety data than approved products, and that the trial data available has not shown the harms often attributed to them.
How we choose
Where an approved product fits the clinical need, we use it. We choose to compound many of the hormone selections, since it is included in your Specialty Treatment Plan. Compounding a dose that is already manufactured offers no advantage, and an approved product provides documented consistency. Examples we wouldn’t compound would be the estrogen patch (compounders cannot formulate it) or certain thyroid medications.
Where the clinical need falls outside what is manufactured, we compound. Testosterone for women is the clearest example: there is no FDA-approved testosterone product for women in the United States, so any testosterone therapy for a female patient is by definition off-label and, in most forms, compounded. That is a fact about the regulatory landscape rather than a preference, and it is one a patient should understand before starting.
Where we compound, the pharmacy matters more than the prescription. We use compounding pharmacies with documented quality control and potency verification, because the entire safety question with compounded hormones is whether the preparation contains what the label says it contains.
The one place we are cautious: topical creams for systemic therapy
This is the distinction that gets lost when people argue about compounding in general.
A compounded cream applied to the skin for systemic hormone therapy depends on absorption through the skin to reach the bloodstream at a predictable concentration. Absorption through skin varies — between patients, between application sites, with skin thickness, with hydration, with what else has been applied. That variability makes serum levels harder to predict from the prescribed dose, which makes titration harder and makes a level drawn at follow-up harder to interpret.
That is not an argument against compounding. It is an argument about a specific route for a specific purpose. We rely on delivery methods with more predictable pharmacokinetics for systemic therapy, and we monitor levels rather than assuming a dose produced the intended result.
What we tell patients to ask
- Is there an FDA-approved product for what I need? If not, why not?
- If this is compounded, which pharmacy, and what quality verification do they perform?
- How will you confirm that the dose is producing the level you intended?
- What is the plan if my level comes back higher or lower than expected?
A practice that compounds should be able to answer all four without hesitation.
Frequently asked questions
Are compounded hormones safe?
Compounded preparations from a reputable pharmacy, prescribed for an appropriate indication and monitored with follow-up testing, are used routinely in clinical practice. The risks that get discussed — inconsistent potency, unverified content — are risks of poor compounding practice rather than of compounding itself.
Are bioidentical hormones the same as compounded hormones?
No. "Bioidentical" describes the molecule. Several bioidentical hormones are available as FDA-approved products. Some bioidentical preparations are compounded. The two terms answer different questions.
Why is there no FDA-approved testosterone for women?
No manufacturer has brought a female-dose testosterone product through approval in the United States. Testosterone therapy in women is therefore off-label wherever it is prescribed, which is a point every patient should have explained to them.
Does insurance cover compounded hormones?
Usually less predictably than approved products. Ask for the cost in writing before you start.
