Hormone Harmony Review: Women's Health Miracle?

Hormone Harmony Review: Women's Health Miracle?

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Disclaimer: None of the information in this article constitutes medical advice, and is just the opinion of the writer(s). We recommend that patients follow their doctor’s guidance in regard to hormonal issues.

Hormone Harmony is a supplement from a brand called Happy Mammoth which is used to optimize hormone levels and help manage weight. The brand claims that their supplement “balances hormones naturally for women of all ages,” and is scientifically proven to work within 30 days. 

But are these claims backed in good science or are they just marketing claims? Does the product contain research-backed ingredients? Does it contain any questionable additive ingredients? And how do real users rate and describe the effects of this supplement?

In this article we’ll answer all of these questions and more. We’ll first share our concerns about some of the strange health claims made by Happy Mammoth. We’ll then analyze the ingredients in Hormone Harmony based on medical studies to give our take on whether or not the supplement is likely to be effective.

We’ll also share customer reviews of Hormone Harmony.

Highly Questionable Health Claims

Happy Mammoth makes a number of highly questionable health claims about Hormone Harmony that we disagree with.

Hormone Harmony questionable health claim 1

As referenced in the intro to this article, the brand claims that this supplement is “scientifically shown” to work in 30 days. However, we can’t find any clinical trials on Hormone Harmony and the brand doesn’t link to any on the product page.

If Hormone Harmony has never been studied in a clinical trial, how can the brand claim that it’s proven to work within 30 days?

Hormone Harmony questionable health claim 2

The brand makes another specific health claim in one of their product images, suggesting that the supplement “triggers an 87% reduction in symptoms of hormonal imbalances.” This claim is uncited and again we have no idea how the brand is backing this claim. If the supplement has never been studied in a clinical trial, how can it be proven to have a specific symptom reduction level?

Hormone Harmony questionable health claim 3

Beyond these specific health claims, the entire premise of the supplement is illogical in our opinion. How can one dietary supplement be “hormone-balancing” for all women, when different women have different hormone levels?

If Woman A has high levels of estrogen that need to be reduced, and Woman B has high levels of cortisol that need to be reduced, how can the same supplement resolve both conditions?

It seems more logical to speak with a doctor to get blood testing and medical treatment rather than take a dietary supplement to treat unconfirmed hormonal issues. As we referenced in our review of the hormone type quiz, only a blood test ordered at a doctor’s office can identify which hormones (if any) are imbalanced, so that the patient and doctor can discuss a targeted way to treat these hormones.

Ingredient Analysis

Hormone Harmony Supplement Facts label

Hormone Harmony contains a number of botanical extracts. Many of these compounds have been studied in relation to women’s hormones, and found to have favorable effects.

Fennel seed was shown in a clinical trial published in the Menopause journal to reduce menopausal symptoms (such as hot flashes and mood changes) and increase sexual desire.

Maca was shown to have a hormone-balancing effect in post-menopausal women in a 2006 clinical trial.

Ashwagandha extract can improve libido in women, as we documented in our Olly Lovin’ Libido review article on another supplement containing this ingredient. 

Berberine extract may be an effective way to improve insulin and metabolic parameters, at least for women with polycystic ovary syndrome (PCOS), according to a clinical trial published in the Nutrients journal.

Clearly there are a number of research-backed ingredients in this formulation, and it’s a good thing that the inactive ingredients are safe and non-toxic. There are no harmful filler ingredients like artificial flavoring or artificial sweeteners.

We don’t recommend this product overall because, while it may benefit the health of some women, it’s an illogical approach in our opinion to take a supplement to treat “hormones” generally, without knowing which hormones (if any) require treatment.

That being said, we do not believe this supplement is likely to cause harm, given that both its active and inactive ingredients appear to be safe and effectively dosed.

We Tried Hormone Harmony

Hormone Harmony UGC

One of our product testers named Dr. Aly Goldstein used Hormone Harmony. Here's her experience:

The product experience was excellent. I loved the look and feel of the branding. The box and the bottle were both simple and easy to open.

I can be pretty sensitive to supplements with flavoring or a distinct taste, and the taste of the Hormone Harmony supplements was not noticeable.

Overall, I had a great experience with this product. I experienced significantly less symptoms leading up to my period, namely fewer hot flashes, cramps, and less “period flu” symptoms than I typically have.

I also got my period exactly on time, and had noticeably more energy and less bloating during my period. I was really thrilled with these changes. 

As far as side effects, I had a lot of trouble sleeping the first few days on this supplement, even though I took it in the morning with breakfast.

I definitely plan to continue taking this supplement, and would rate it 9/10!

Real People Try Hormone Harmony

A YouTube creator named Emma Colsey-Nicholls reviewed Hormone Harmony and shared her favorable experience using the supplement:

Will Hormone Harmony Cause Side Effects?

Hormone Harmony does not appear to have been studied in any clinical trials, so it’s hard to say for certain whether or not the supplement is likely to cause side effects. We can, however, make an educated guess based on its ingredients.

Fennel extract, which is the highest-dose ingredient in this product, may cause indigestion in some individuals, according to a StatPearls medical review, but we consider this unlikely at the stated dose.

Overall we do not consider Hormone Harmony likely to cause side effects. All of the active and inactive ingredients in this supplement appear safe and effectively dosed, but consumers may wish to take breaks from its use regularly to assess whether or not it’s causing side effects.

Stay up-to-date on our research reviews


Hormone Harmony may be effective for some women, given that it contains some research-backed ingredients like maca which can have hormone-balancing effects on post-menopausal women.

We don’t currently recommend this supplement because taking a dietary supplement to treat hormone issues, without first knowing hormone levels, seems like an illogical approach. It seems unlikely that one product could treat hormone levels in all women, given that different women experiencing different hormone issues will require unique approaches.

We consider this supplement to be relatively well-formulated and free of any questionable additive ingredients, but we don’t exactly understand who the target consumer is.

Women who believe they’re experiencing hormone issues may wish to speak with a doctor to get a hormone panel done, which is typically covered by health insurance.