Perimenopause often prompts women to revisit supplements—not out of trend-following, but because sleep, stress tolerance, energy, and recovery begin to shift in noticeable ways.
From a clinical perspective, this makes sense. Fluctuations in estrogen and progesterone influence neurotransmitters, circadian rhythm, inflammation, and stress reactivity. As a result, the nervous system often becomes more sensitive, not deficient.
This sensitivity is why supplements that once felt neutral—or even helpful—can suddenly feel overstimulating, ineffective, or disruptive.
Rather than asking “What should I take?”, a more useful question is:
“What does my nervous system need support with right now?”
First: A Mindset That Prevents Overdoing It
Before looking at individual supplements, it’s important to name a pattern seen frequently, which I made the mistake of doing myself: during perimenopause, women often add supplements to compensate for inadequate rest, chronic stress, or sleep disruption.
When those foundations are shaky, supplements tend to:
- Feel inconsistent
- Create side effects
- Increase anxiety or sleep fragmentation
This isn’t a failure of the supplement—it’s a mismatch between what’s being supported and what’s being asked of the system.
In midlife, less but better targeted is usually more effective.
Below is a supplement comparison chart followed by an explanation of each category.
| Product | Primary Purpose | Best For | When to Be Cautious | Clinical Notes |
|---|---|---|---|---|
| Ashwagandha | Stress resilience, perceived cortisol support | Stress-dominant symptoms without high anxiety | Anxiety, vivid dreams, emotional flattening | Can be calming or activating. Start low. Monitor mood and sleep closely. |
| Rhodiola | Mental stamina, fatigue support | Fatigue-dominant presentations | Anxiety, palpitations, sleep disruption | Often stimulating. Not ideal for already “wired” nervous systems. |
| L-Theanine | Calm focus, sleep onset | Evening anxiety, “tired but wired” feeling | Rarely sedating for some | Generally gentle. Often used situationally rather than daily. |
| Magnesium (Glycinate) | Sleep, muscle relaxation | Sleep disruption, tension | GI upset at higher doses | One of the better-tolerated options in perimenopause. |
| Magnesium (Threonate) | Cognitive support | Brain fog, mental fatigue | Cost, mild stimulation in some | Studied for brain uptake; not a sleep supplement per se. |
| Novos Core | Cellular & metabolic longevity support | Women seeking foundational aging support | Expecting symptom relief | Not a perimenopause supplement. Best considered after regulation is stable. |
Category 1: Adaptogens (Context Matters)
Adaptogens are often marketed as stress-balancing, but in perimenopause they can be either helpful or activating, depending on the individual nervous system.
Ashwagandha
Often used to support stress resilience and perceived cortisol regulation. Some women find it calming and sleep-supportive; others report emotional blunting, agitation, or vivid dreams. Personally, I think this one lifted my mood.
Clinical lens:
Ashwagandha may be better tolerated when stress is high but anxiety is not dominant. Starting with a low dose and monitoring mood and sleep is essential.
Rhodiola
Typically used for fatigue, mental stamina, and resilience under stress. I take this with Ashwagandha and I believe the two together really help me focus and manage stress better.
Clinical lens:
Rhodiola can feel stimulating, particularly for women already experiencing anxiety, heart palpitations, or sleep disruption. It may be more appropriate for fatigue-dominant presentations than anxiety-dominant ones.
Category 2: Nervous System–Supportive Nutrients (Often Better Tolerated)
These are not adaptogens, and that distinction matters. They tend to work with the nervous system rather than nudging stress pathways.
L-Theanine
An amino acid associated with calm focus and improved sleep onset. Often well tolerated and sometimes helpful for evening anxiety or a “tired but wired” feeling. I tried just drinking a cup or two of green tea every day, as there are large amounts of this compound in green tea. I found that this was not enough, so I started taking an L-theanine supplement every morning. It does not make me feel sleepy and actually helps me stay focused and energized.
Clinical lens:
L-theanine tends to be gentler than adaptogens and is often used situationally rather than daily.
Magnesium (Form Matters)
Magnesium plays a role in muscle relaxation, sleep quality, and nervous system signaling.
- Magnesium glycinate: commonly used for sleep and muscle tension
- Magnesium threonate: studied for cognitive support
- Magnesium oxide: inexpensive but less absorbable
I’ve tried all three and magnesium glycinate has proven to be the best remedy for my symptoms. It helps my body relax before and during sleep.
Clinical lens:
Magnesium is one of the more broadly tolerated supplements in perimenopause, but dose and formulation matter. Gastrointestinal effects or morning grogginess are signals to adjust or stop.
Category 3: Foundational Longevity Support (A Different Conversation)
This is where it’s important to be precise.
Longevity-focused products like Novos Core are not perimenopause supplements and are not designed to address symptoms like hot flashes, anxiety, or sleep disruption.
Instead, they’re typically positioned as cellular or metabolic support, intended for people who want to support long-term health processes rather than manage immediate symptoms.
Why this distinction matters:
Using longevity blends to “fix” perimenopause symptoms often leads to disappointment. When viewed as foundational support—separate from symptom management—they may make more sense for some women.
From a clinical standpoint, they are not first-line tools for perimenopausal distress but are essential in cellular optimization. If you are in the longevity game, this is perhaps the easiest way to slow down your rate of aging.
How I’d Personally Think About Supplement Use in Perimenopause
Rather than starting with stacking multiple products, I would slowly start with one supplement at a time. Give each supplement several weeks to see if symptoms have improved. I would prioritize:
- Nervous system stability first
- Sleep protection second
- Targeted, minimal supplementation
- Longevity support
If a supplement increases anxiety, disrupts sleep, or creates a sense of internal pressure, that’s useful feedback—not failure.
A Final, Important Reminder
Perimenopause is not a problem to be solved chemically. It’s a transition that asks for:
- More recovery
- More consistency
- More respect for limits
Supplements can support you in your journey—but they cannot stop or prevent the transition.
The Longevity Chapter 
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