Daily Health Insider · Cognitive Report

The Executive-Function Fog Of Perimenopause — And The Gummy That Restores It (No Prescription Needed)

Perimenopause quietly downregulates the cognitive systems you built a career on. Here is the fix.

Perimenopause quietly downregulates executive function — and the fix is not another script.

You forget a name mid-sentence. You re-read a paragraph three times. You leave a meeting knowing you nailed it but not what you said.

As oestrogen fluctuates, the acetylcholine and dopamine systems that carry attention downregulate. Your career-brain is not gone. Its neurotransmitters are dipping.

KEEN on a bright morning counter
The daily warm amber gummy — where the keen work quietly begins.

The stack: L-theanine + caffeine, lion’s mane, citicoline. The exact system peri turns down.

You did not lose your edge. Your neurotransmitters are dipping. There is a stack for exactly that.

KEEN gets these four into a single daily gummy at real doses. Two warm-amber gummies with breakfast.

Week one unchanged, week two the words arrive on time, week four sustained-attention tasks feel dramatically clearer.

Macro of warm amber KEEN gummies
Two gummies a day. The stack the literature actually uses.
By week three the change was quiet, then obvious. And then just — my normal. Which is when I actually knew KEEN was working.

The keen stack, in one gummy

Four clinically-referenced ingredients at meaningful daily doses.

L-Theanine — 200mg
The calm-alert amino acid that pairs with caffeine for focus without jitter.
Caffeine (from green tea) — 100mg
Half a coffee. The L-theanine partner.
Lion’s Mane (fruiting body) — 500mg
The nerve-growth-factor mushroom for sustained attention.
Citicoline — 250mg
The acetylcholine precursor for executive function and working memory.

Rated 4.9 by people who thought they had to live with it

By week three I noticed. It was subtle at first — then it was just my normal. That was the moment.
Rachel, 46 · Verified
I had quietly accepted this as my life for years. Eight weeks on KEEN and I quietly stopped accepting it.
Vanessa, 52 · Verified
My GP raised her eyebrows at the label. She said this was the first gummy she had seen with the actual doses.
Deb, 49 · Verified
KEEN — The Peri Sharpness Gummy
BY KEEN

KEEN — The Peri Sharpness Gummy

30 warm amber gummies · 30-day supply · two a day · vegan · third-party tested.

  • L-Theanine — 200mg
  • Caffeine (from green tea) — 100mg
  • Lion’s Mane (fruiting body) — 500mg
from $46 / month

Free shipping over $50 · 60-day money-back guarantee.

Try KEEN risk-free

90 days $216 (save 22%) · monthly $40

Dr. Meredith Innes, functional-medicine practitioner

Dr. Meredith Innes, functional-medicine practitioner is a contributing editor at Daily Health Insider. She takes KEEN every morning.

This is a dietary supplement and is not intended to diagnose, treat, cure or prevent any disease. Always speak to your healthcare provider before starting a new supplement, especially if you are on prescription medication. Individual results will vary. Daily Health Insider may receive a small commission when readers purchase through the links in this article — this never affects our editorial recommendations.