The Shift vs. Happy Mammoth: Twelve Extracts or One System
If you have spent any time researching hormone supplements, you have seen Happy Mammoth. Its flagship, Hormone Harmony, is one of the most heavily marketed hormone products online, and the company says 2.4 million women have used it.
Its promise is coverage: twelve plant extracts in one capsule, aimed at everything from premenstrual tension to mild menopausal symptoms.
The Shift takes the opposite approach. It is one formula, refined over 600 years, aimed at one system: the stress response that drives the hardest midlife symptoms. Coverage versus depth is the real comparison.
Hormone Harmony blends 12 plant extracts for broad hormonal support across life stages. The Shift is a single full-spectrum herbal formula built to regulate the stress response behind brain fog, irritability, and night wakings.
Key takeaways
- Hormone Harmony combines vitamin B6 with 12 plant extracts in three proprietary blends that do not disclose per-herb amounts, positioned for the whole hormonal lifespan rather than the peri/menopause stress-response picture specifically.
- The Shift is a full-spectrum herbal formula built as a hierarchy, where every herb has a named role in regulating the stress response as a system.
- Happy Mammoth's marketing has drawn formal pushback: a US advertising watchdog found no product-specific testing behind key Hormone Harmony claims, and Australia's regulator cancelled the product from its therapeutic goods register in 2025.
- In Project M's pilot, brain fog, irritability, and night wakings were the dominant, highest-severity symptoms women reported, and those run through the nervous system.
The core difference: a broad blend versus a built system
Hormone Harmony is a blend in the literal sense. Its label lists vitamin B6 plus 12 plant extracts spread across three proprietary blends, including ashwagandha, chasteberry, maca root, American ginseng, chamomile, fennel seed, rosemary, and wild yam. Each ingredient has its own rationale, and together they aim at many hormonal targets at once. Because the blends are proprietary, the label shows the total amount per blend but not how much of each herb you are getting.
Source: Happy Mammoth, Hormone Harmony product page
The Shift works differently. It is a full-spectrum Traditional Chinese Medicine (TCM) formula built as a system of herbs that work together to regulate your stress response, sometimes called the HPA axis. That system controls cortisol, alertness, and your ability to move between focused and calm. The herbs were not assembled one benefit at a time. The formula was designed as a hierarchy, and it has been used that way for 600 years.
Here is the simplest way to hold it: Hormone Harmony casts a wide net across many hormonal pathways. The Shift retunes one controller, the stress response, that sits underneath the symptoms midlife women rank as hardest.
What each one reaches
The two products aim at different pictures. It depends on which symptoms are loudest for you.
Hormone Harmony reaches broadly across the hormonal lifespan: menstrual cycle support, premenstrual tension, bloating, and mild menopausal symptoms. If your picture spans cycle complaints and general hormonal ups and downs, that breadth is the appeal.
The Shift reaches the stress-response layer: brain fog, tension you can't unwind, irritability, and the 1 to 3am wakings that broad hormone blends often cannot hold through. These run through the nervous system, not a dozen separate pathways. We cover the mental side fully in menopause brain fog: why it happens and what helps.
The Shift vs. Happy Mammoth at a glance
Here is how the two compare across what matters most.
| Happy Mammoth (Hormone Harmony) | The Shift | |
|---|---|---|
| What it is | A 12-extract blend marketed for broad hormonal support | A full-spectrum herbal formula (600-year-old TCM protocol) |
| How it works | Many actives aimed at many hormonal targets at once | Regulates the stress response as a system |
| Best for | General hormonal support across life stages, cycle complaints, bloating | Brain fog, tension you can't unwind, irritability, night wakings |
| Often misses | Per-herb doses are undisclosed, and breadth can mean less depth on any one system | It targets the nervous-system layer, not cycle or digestive complaints directly |
| Dose transparency | Three proprietary blends; individual amounts not listed | Every herb has a named role; third-party tested |
| Regulatory record | US ad watchdog found no product-specific testing behind key claims; cancelled from Australia's therapeutic goods register (2025) | Structure/function claims backed by a published 30-day study |
| Can combine | Overlapping botanicals make stacking blends tricky; ask your doctor | Yes, with single-ingredient basics like magnesium |
Why breadth sells, and where it runs out
Happy Mammoth's appeal is easy to understand. When you are dealing with several symptoms at once, a product that lists twelve ingredients feels like it covers all the bases. One bottle, every pathway.
The trade-off is depth. Twelve extracts inside three proprietary blends means the amount of any single herb is not disclosed and, mathematically, each one gets a fraction of the capsule. Ashwagandha, chasteberry, and maca each have their own evidence at their own studied doses, and a blend cannot tell you whether it reaches them. Dietitians reviewing the product have raised the same point about proprietary blends.
Source: A dietitian's review of Happy Mammoth Hormone Harmony
There is also a positioning difference. Hormone Harmony is built for the whole hormonal lifespan, from menstrual cycles to menopause. Peri/menopause is one use case among several. If your hardest symptoms are the fog, the short fuse, the tense evenings when you cannot switch off, and the 2am wakings, those cluster on one system, the stress response, and a broad blend is not built to regulate one system deeply. If you are still mapping where you are in the transition, start with what is perimenopause: symptoms, stages, and timeline.
What regulators have found
The marketing around Hormone Harmony has drawn formal scrutiny on two continents, and it is worth knowing about as you compare.
In the US, the advertising industry's watchdog, the National Advertising Division of the Better Business Bureau, reviewed Hormone Harmony's benefit claims in 2024. It found the company had no reasonable basis for them because the product itself had never been tested. Happy Mammoth agreed to drop several claims, including "relieves mood swings and boosts energy" and "reduces fluid retention." Separately, the consumer watchdog TINA.org warned the company that its menopause marketing was making the kind of claims only an FDA-approved drug can lawfully make, such as eliminating anxiety and hot flashes.
Sources: BBB National Programs: NAD decision on Happy Mammoth · TINA.org letter on Happy Mammoth's menopause marketing
In Australia, where Happy Mammoth was founded, the outcome went further: the Therapeutic Goods Administration cancelled Hormone Harmony from the national register of therapeutic goods, effective June 2025, one of four Happy Mammoth product cancellations. Australian press reporting had highlighted advertising that promised women the product would "flush out 8kg of hormonal weight" within days, and an Australian Financial Review investigation found independent lab testing showed no evidence that a related Happy Mammoth product produced weight loss.
Sources: TGA: Happy Mammoth Hormone Harmony cancellation · The Nightly: Happy Mammoth accused of false claims
The pattern behind both findings is the same one the proprietary blends raise: claims that outrun product-specific evidence. That is a fact to weigh, not a verdict on whether any single ingredient works. It is also why Project M publishes its own product-specific data and keeps its claims inside what that data shows.
How The Shift works at the stress-response level
The Shift is Project M's daily herbal protocol for perimenopause and menopause, adapted from a 600-year-old TCM formula (a modified Jia Wei Xiao Yao San) for the stress profile of the modern Western woman. You can find it here. Instead of spreading a dozen extracts thin, The Shift concentrates on one job done as a team, led by Bupleurum (Chai Hu) on the stress response, with Dong Quai (Dang Gui) nourishing the depleted side and Poria (Fu Ling) calming the mind. A long extract list can fill a label. A designed hierarchy, where each herb has a defined role, is built to actually move the stress-response layer.
In Project M's 30-day study of 35 women, 94% improved on brain fog, 93% reported less irritability, and 86% saw improvement within 30 days, the stress-driven symptoms broad hormone blends tend to leave behind.
Source: Project M 30-day study results
Do you have to choose?
Between these two, usually yes. Unlike pairing The Shift with a simple mineral, Hormone Harmony and The Shift are both multi-herb botanical products, and they share territory: maca and adaptogens on one side, a complete herbal formula on the other. Stacking two herbal blends means doubling up botanicals in unknown amounts, which is a conversation for your doctor rather than a default.
The cleaner question is which layer needs the help. If your picture is broad, mild, and spans cycle complaints, a generalist blend may be the fit. If the harder symptoms are mental and nervous-system driven, that is The Shift's layer, and depth on one system will serve you better than breadth across twelve.
If you are weighing your full set of options, it helps to see how every category compares. Start with the best menopause supplements: what to look for.
Frequently asked questions
Is The Shift better than Happy Mammoth?
Neither is simply better. They are designed differently. Hormone Harmony spreads 12 extracts across many hormonal targets, which suits a broad, mild symptom picture. The Shift concentrates one 600-year-old formula on the stress response, the system behind brain fog, the tension you can't unwind, irritability, and night wakings. Match the design to the symptoms that are loudest for you.
Can I take The Shift and Hormone Harmony together?
It is not a default pairing. Both are multi-herb products, and Hormone Harmony's proprietary blends make it hard to know how much of each botanical you would be adding on top of a complete formula. If you are considering both, bring the labels to your doctor or a licensed herbalist and choose one primary botanical strategy.
What is a proprietary blend, and why does it matter?
A proprietary blend is a labeling format that lists which ingredients are in a product but not how much of each. Hormone Harmony uses three of them. It matters because herbs like ashwagandha and chasteberry were studied at specific doses, and a blend label cannot tell you whether the product reaches them. The total blend weight is disclosed; the per-herb breakdown is not.
Does Happy Mammoth help with perimenopause brain fog?
Hormone Harmony is positioned for broad hormonal support, including energy and mood, and it includes American ginseng for cognitive support. But brain fog in peri/menopause tends to run through the stress response and cortisol rhythm, a single system. That layer is what The Shift is built to regulate, and it is where 94% of women in Project M's 30-day study reported improvement. Source: Project M 30-day study results
Are Happy Mammoth's claims backed by product testing?
Not according to the National Advertising Division, the US advertising watchdog, which reviewed the claims in 2024 and found no testing on the product itself behind them. Happy Mammoth agreed to discontinue several, including "relieves mood swings and boosts energy." Individual ingredients like ashwagandha and chasteberry do have their own studies, but at specific doses that a proprietary blend label cannot confirm. Source: BBB National Programs NAD decision
Has the FDA taken action against Happy Mammoth?
There is no FDA warning letter on record for Happy Mammoth. The formal actions have come from the US advertising watchdog NAD and from Australia's TGA. The consumer watchdog TINA.org has warned the company that parts of its marketing, such as claims about eliminating anxiety and hot flashes, are the kind only an FDA-approved drug can lawfully make. Source: TINA.org on Happy Mammoth
Why was Hormone Harmony cancelled in Australia?
Australia's Therapeutic Goods Administration cancelled Hormone Harmony from the Australian Register of Therapeutic Goods, effective June 2025, one of four Happy Mammoth product cancellations. The cancellations followed press scrutiny of the company's advertising, including weight-loss promises such as flushing out "8kg of hormonal weight." A product cancelled from the register cannot be lawfully supplied in Australia. Source: TGA cancellation notice
Is The Shift hormone-free like Hormone Harmony?
Yes. Both products are hormone-free. The difference is approach: Hormone Harmony includes phytoestrogen-containing botanicals aimed at hormonal pathways across life stages, while The Shift regulates the nervous system rather than working on the hormone pathway directly.
How long does each one take to work?
Consistency matters for both, and herbal products build cumulatively. In Project M's 30-day study, 86% of women saw improvements within 30 days on The Shift. Happy Mammoth's marketing highlights fast results, but with proprietary blends there is no published study of the full formula to anchor a timeline. Source: Project M 30-day study results
The Shift
Ancient Wisdom. Modern Balance.
One daily blend for the whole transition, rooted in centuries of wisdom and backed by modern science.
- 86% saw improvements within 30 days
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Read next
- Menopause brain fog: why it happens and what helps
- The best menopause supplements: what to look for
- What is perimenopause: symptoms, stages, and timeline
- Our 30-day study results: full data
Sources
- Happy Mammoth, Hormone Harmony product page
- TGA: Happy Mammoth Hormone Harmony cancelled under Section 30(1)(c)
- BBB National Programs: NAD recommends Happy Mammoth discontinue certain health-related claims
- The Nightly: Happy Mammoth accused of false claims
- TINA.org letter on Happy Mammoth's menopause supplement marketing
- A dietitian's review of Happy Mammoth Hormone Harmony
- Systematic review: Jia Wei Xiao Yao San for anxiety (PMC9007650)
- Project M 30-day study results
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
