She Spent Two Years Fixing Her Hormones. The Problem Was Never Her Hormones.
New research reveals a second biological system that collapses during menopause — one your doctor isn't testing for, your supplements aren't touching, and that explains why you're still exhausted.
She used to be the person who handled everything. Not in a frantic way — in a steady, quiet way that other people leaned on without ever saying so.
Then somewhere around 48, the energy left. Not all at once. It drained out slowly — so slowly she kept explaining it away. The season. The workload. The kids leaving. But by 2 PM every day she was done. Not sleepy-tired. empty-tired. The kind where you're staring at your laptop and the words won't arrange themselves and you close your office door just to put your head down for five minutes that turn into twenty.
She tried the magnesium. The ashwagandha her coworker swore by. The black cohosh from the health food store. Then HRT, which her doctor said would help with all of it.
She also downloaded a meditation app. She used it for eleven days. On the twelfth, she deleted it quietly, the way you close a tab full of articles you saved but never went back to read.
Some of it helped. A little. For a while. Then the helping stopped and the tiredness stayed.
Her doctor ran bloodwork. Everything came back normal. She sat in the parking lot afterward, engine running, hands on the wheel, and thought:
If nothing is wrong with me, why do I feel like I'm disappearing?
Something is wrong. It's just not what anyone has been looking for.
Over the past three years, a quiet shift has happened in cellular biology. Researchers at UCLA, Harvard, and the Buck Institute for Aging have been studying what happens inside cells during menopause — not to the hormones, but to the energy system underneath them. What they've found reframes everything we thought we knew about menopausal fatigue.
Almost nobody outside of research journals is talking about it yet.
The Menopause Problem Nobody Diagnosed
Every woman going through menopause has heard about the first system that crashes. Estrogen drops. Hot flashes. Mood shifts. Disrupted sleep. Every supplement on the shelf, every doctor's appointment, every article in every women's magazine revolves around this hormonal cascade.
But there's a second system collapsing at the exact same time.
This one is invisible. It doesn't show up on bloodwork. Your gynecologist isn't testing for it. The $2.1 billion menopause supplement industry has built its entire product line around the first system and ignored this one completely.
"We've spent decades treating menopause as purely a hormonal event. What the cellular research now shows is that it's also an energy crisis — and the two are biologically linked in ways we didn't understand even five years ago."
— Dr. Eric Verdin, President and CEO, Buck Institute for Research on Aging
If you're wondering why your doctor hasn't mentioned any of this: most physicians receive fewer than 10 hours of nutrition training across four years of medical school. The NAD+ research in menopause is less than a decade old, and almost none of it has filtered into clinical practice yet. Your doctor isn't withholding — the field simply hasn't caught up.
The system in question runs on a molecule called NAD+. You've probably never heard of it. But your brain is using it right now to hold this sentence together. Your muscles used it this morning to get you out of bed. Your body will use it tonight to repair DNA while you sleep.
NAD+ is not a vitamin. It's not a hormone. It's the fuel your cells need to do their jobs. Every job. Without enough of it, nothing works the way it should — no matter how much sleep you get, how clean you eat, or how many supplements line your bathroom shelf.
That afternoon wall you hit at 2 PM? That's not laziness. That's your cells running out of fuel before your day runs out of hours.
When you were 25, your body made plenty of NAD+. By your 40s, levels had already dropped. Research published in Nature Communications found that NAD+ declines by roughly 50% between the ages of 40 and 60.1
But here's what makes menopause different — and what researchers have only recently been able to explain.
NAD+ Levels Across the Lifespan — Women
Relative cellular NAD+ concentration by age, with menopause-driven acceleration highlighted
Data adapted from Camacho-Pereira et al., Cell Metabolism (2016)2; Massudi et al., PLOS ONE (2012)3
The Enzyme That Turned on You
Estrogen and NAD+ don't just coexist in your body. They're co-regulators — chemically linked. So when your ovaries slow down and estrogen drops, something else wakes up.
An enzyme — a tiny protein whose only job is to speed up chemical reactions inside your cells. This particular one was always there, quietly doing its job in the background. But without estrogen to keep it in check, it goes into overdrive — particularly in your ovarian and immune tissue. And it starts consuming your NAD+. Eating through your cells' fuel supply like a fire through dry wood.
Researchers call it CD38. You don't need to remember the name. You just need to know two things: it's the reason you're running on empty. And it's not waiting for you to figure that out. It's active right now, in your body, consuming NAD+ faster than you can make it. It was active yesterday. It'll be active tomorrow. Every week it goes unchecked, there's less fuel left to work with.
Menopause triggers a cellular energy crisis that hormones can't fix. But the right formula — one that targets the cascade, not the symptoms — can rebuild what's been lost.
Think about it like this: your body runs on two engines. Engine One runs on hormones. Engine Two runs on cellular energy — on NAD+. Menopause stalls both of them at the same time.
But every product you've been sold, every protocol your doctor has recommended, every article you've read — it's all been fuel for Engine One.
Engine Two has been running on empty. And the symptoms of an empty Engine Two? They look exactly like the symptoms you've been blaming on Engine One:
The ashwagandha helped your stress but didn't touch the bone-deep tiredness. The black cohosh eased the hot flashes but left you reading the same paragraph for the fourth time, not understanding why you can't hold a thought. The HRT helped the mood swings but you're still hitting a wall so hard every afternoon that you sit in your car after work for ten minutes before you have the energy to walk inside your own house.
Those solutions work. On Engine One.
Nothing in your cabinet has been fueling Engine Two.
"My doctor kept telling me everything looked normal. I kept thinking I was losing my mind. Turns out the thing that was failing me wasn't even on her checklist."
Fatigue that sleep can't fix. Fog that coffee can't cut through. A memory that used to be automatic and now requires effort, like thinking through water. A body that feels ten years older than the one you had three years ago.
Not hormones. Cells.
But here's what makes this good news instead of just more bad news: unlike hormones, which your body has stopped producing and can only be replaced from the outside — NAD+ can be rebuilt. Your cells still have the machinery. They just need fuel.
The catch is timing. The longer Engine Two runs on empty, the more cellular repair work piles up. Women who start at 48 have less rebuilding to do than women who start at 55. That's not a scare tactic. It's just how depletion works. The best time to address this was when the decline started. The second best time is now.
What Happens When You Refuel the Second Engine
Once researchers mapped the full cascade — estrogen drops, the enzyme wakes up, NAD+ disappears — the question became obvious: what if you could support Engine Two directly?
Not by adding another hormone supplement on top of the ones that aren't working. Not by stacking more adaptogens. But by going underneath the hormonal layer entirely — down to the cellular machinery that powers everything else.
That research is what led to Perennial and its Core Four formula — four ingredients built around the cascade, not around hormones.
They call it the Core Four. Each ingredient targets a different stage of what's happening to NAD+ inside your body:
The first — nicotinamide riboside (500mg), derived from a form of vitamin B3 — produces new NAD+. The second — quercetin (100mg), a compound found naturally in deep-red berries and onion skins — blocks the enzyme that's been draining it, so your body can actually keep what it makes. The third — trans-resveratrol (150mg), extracted from Japanese knotweed and concentrated in dark grape skins — activates the repair pathways that use NAD+. And the fourth — galactomannans (10mg), a plant fiber from golden fenugreek seeds — ensures the other three survive digestion and reach your cells intact.
If you've heard of NAD+ before, you may have seen single-ingredient supplements — a capsule of NR or NMN and nothing else. Or maybe you've looked into NAD+ IV drips: $250-500 per session, two to four hours in a clinic chair, results that fade within days because nothing is addressing the enzyme that's destroying your NAD+ as fast as the drip delivers it. Those approaches add more NAD+. But they don't do anything about the enzyme that's eating it. For a woman in menopause, that's like pouring water into a bucket with a hole in the bottom. Perennial was designed around the full cascade: produce it, protect it, activate it, deliver it. That's a different approach than anything else on the shelf — or in the clinic.
It's not a menopause supplement in the way you're used to hearing that phrase. It doesn't touch your hormones. That's the point. It works on the engine underneath — the one that's been stalling in silence while you poured everything you had into the one everyone told you to fix.
You can do nothing. That's always an option. But doing nothing doesn't mean things stay the same. It means six more months of 2 PM walls. Six more months of reading the same email three times. Six more months of canceling plans because you don't have the energy to show up. Six more months of your daughter asking if you're okay and you saying I'm fine, just tired — and both of you knowing that's not the whole answer.
The enzyme doesn't take weekends off. NAD+ doesn't rebuild itself. The question isn't whether this is happening to you. The chart already answered that. The question is how long you let it continue before you do something about the engine nobody told you was stalling.
What 2,000 Skeptics Weren't Expecting to Feel
Since this formula launched, more than 2,000 women have tried it. In early customer tracking, 83% reported noticeable improvement in afternoon energy by week six, and 71% said their mental clarity had improved enough to describe it to someone else. I don't usually dedicate this much space to reader responses. But when I started going through them, the pattern was hard to set aside. Women across different ages, different health histories, different levels of skepticism — kept describing the same shift. And the same surprise that it wasn't the kind of shift they expected.
"I've done the ashwagandha, the magnesium, even HRT. I was napping in my car at lunch just to survive the afternoon. This was the first thing that touched that exhaustion. I actually have energy at 5 PM now — like, making-dinner-and-still-talking energy. My husband asked what changed. I didn't know how to explain it because I don't fully understand it myself."
"Ok so I was VERY skeptical. Like, eye-roll skeptical. I'd already spent probably $400 on supplements that did nothing. But two weeks in the fog started lifting. By month two I slept through the night for the first time in literally years — no 3 AM wake-up, no lying there staring at the ceiling. I ordered a second bottle before the first one ran out which is not something I do."
"I carried all the groceries up from the car in one trip last week. Didn't think about it until I was putting them away. My knees didn't ache. I wasn't out of breath. That used to be normal. It hadn't been normal in two years."
"Ran out for a month. Won't do that again. The difference was so obvious my daughter noticed before I said anything. My only regret is the two years I spent trying everything else first. I think about how different those years could have been and it makes me angry, honestly."
These aren't overnight miracles. Nobody woke up on Day 3 feeling twenty years younger. What women describe is quieter than that. More like a slow return to a version of yourself you'd stopped expecting to see again.
Join 2,000+ women who found their second engine.
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What the Shift Actually Feels Like
There's a Tuesday evening — three, maybe four weeks in — where it hits you.
You're cooking dinner. Not because you forced yourself to. Because you actually feel fine. The day didn't wipe you out. You had a full afternoon at work and you still have something left. Both engines running. You don't think it in those words, but that's what's happening.
Your daughter says something from the other room and you follow the whole sentence. You laugh — a real laugh, not the reflex you've been performing for months. You're present. Not pretending to be present while your brain screams for the couch.
You read before bed. Actual paragraphs, not the same sentence on a loop. You fall asleep without negotiating with your body. You wake up and the morning doesn't feel like a punishment.
You don't notice it at first. That's the thing. You don't notice the fog lifting — you notice that you're doing things again. Things you'd quietly stopped doing. Things you'd quietly stopped missing. And one day someone asks what you've been doing differently, and you realize:
You feel like yourself again.
Not a new you. Not a better you. The one that was already there — just running on empty.
When You'll Know It's Working
If you've been burned by supplements before, this part matters. Here's what women typically report:
Results vary. Your body rebuilds on its own schedule, not a marketing timeline. Some women feel shifts within days. Others need the full eight weeks. That's why the guarantee is 60 days, not 30.
60 Days. No Questions. No Risk.
If you don't feel the shift — in your energy, your clarity, your afternoons — email us. Full refund. Keep the bottle. We built this formula for women who've been burned by promises before, so we made ours the simplest one possible: it works, or it's free.
She spent two years fixing her hormones. Maybe you have too.
Every day the enzyme runs unchecked is a day your cells fall further behind. That's not marketing. That's the curve on the chart above. But NAD+ can be rebuilt — and the women who start sooner have less ground to make up.
Perennial's Core Four is the first formula built around the cellular cascade — not the hormonal one. Four ingredients, each targeting a different stage of what menopause does to your NAD+. Third-party tested. Backed by a 60-day, no-questions guarantee — because you'll know whether it's working long before that.
Start Your First 30 Days →See the full ingredient breakdown, dosage research, and current pricing on the next page.
References
- Massudi, H. et al. "Age-Associated Changes In Oxidative Stress and NAD+ Metabolism In Human Tissue." PLOS ONE, 7(7), 2012.
- Camacho-Pereira, J. et al. "CD38 Dictates Age-Related NAD Decline and Mitochondrial Dysfunction." Cell Metabolism, 23(6), 1127-1139, 2016.
- Chini, C. et al. "The NADase CD38 is induced by factors secreted from senescent cells providing a potential link between senescence and age-related cellular NAD+ decline." Biochemical and Biophysical Research Communications, 513(2), 486-493, 2019.
Perennial is a dietary supplement designed to support cellular energy production. It is not intended to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration. Consult your healthcare provider before starting any new supplement regimen. This article contains affiliate links.
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