10:1 extract
Adaptogen · stress
Reishi
Fruiting body only, never mycelium grown on grain. A 10:1 dual extraction from the most active part of the mushroom, to support a balanced stress response.
Two systems. One formula.
Calm the loop between your gut and your mind.
Core Calm supports your stress response and your digestive health at the same time. Two capsules daily. Fruiting body Reishi, L-theanine, and grass-fed colostrum, with every dose printed on the label.
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The real problem
It is not just
It is not just
in your head.
Chronic cortisol does not stay in your mind. It travels straight to your gut, where it slows digestion, feeds bloating, and fuels the cravings you keep blaming on willpower.
Your gut answers back along the same wire, and the loop pulls tighter. Calm one side only and stress drags you right back in.
Racing thoughtsBloatingAfternoon crashCravingsShallow sleep
The cortisol gut loop
The gut brain axis
One conversation,
One conversation,
two organs.
Your gut and brain trade signals every second along the vagus nerve. When stress throws that line off, mood, digestion, and focus all feel it at once.
01
Most serotonin starts in the gut
The chemistry behind a steady mood is largely produced in your digestive tract, not your head. A struggling gut means an unsteady mind.
02
Stress reshapes digestion
Cortisol redirects blood flow, slows motility, and shifts the bacteria you depend on, which is why anxious days so often feel heavy in the gut.
03
The loop runs both ways
A calmer nervous system supports a healthier gut, and a healthier gut supports a calmer nervous system. The fix has to meet both ends.
Why two in one
Most formulas pick a side.
Most formulas pick a side.
Core Calm works both.
Side one · The mind
Steady the stress response
Reishi and L-theanine help calm a racing mind and support a balanced cortisol response, the kind of calm that keeps you clear rather than foggy.
Fruiting body ReishiL-theanine 400mg per serving
Side two · The gut
Rebuild the foundation
Grass-fed colostrum supports the gut lining and a healthier microbiome, the ground where steady mood and easy digestion actually begin.
Grass-fed colostrumGut lining support
Both sides. Two capsules. Once a day.
What is inside
Three actives.
Three actives.
Real doses.
No proprietary blends hiding pixie dust. Every ingredient earns its place at a dose the research actually uses.
400mg per serving
Calm focus · mind
L-theanine
The calm focus amino acid from green tea, dosed in the range where it actually shifts your nervous system toward relaxed, alert attention.
Bioactive
Gut repair · foundation
Grass-fed colostrum
Bioactive colostrum from grass-fed cows. Supports the gut lining, immune balance, and the digestive foundation your mood is built on.
No fairy dusting
Real doses.
Real doses.
Nothing to hide.
✓
Clinically meaningful doses
The amounts the studies use, not a sprinkle on the label for show.
✓
Fruiting body, not grain filler
Real Reishi extract, never mycelium on grain padding the weight.
✓
One transparent label
Every active and every dose printed in full. No proprietary blends.
✓
Two capsules, once a day
Both sides of the loop covered in a single daily serving. No stacks to manage.
How to use it
Built for
Built for
daily use.
Core Calm is made for consistent daily use. Two capsules a day, with or without food. Every active and every dose is printed on the label.
Getting started
Two capsules daily
Take two capsules each day, in the morning or early afternoon, with or without food. Taking them at the same time each day makes the routine easy to keep.
Staying consistent
What is in each serving
Fruiting body Reishi and L-theanine at 400mg per serving support a calm, focused state. Grass-fed colostrum supports the gut lining.
Ongoing
Made for the long run
Core Calm is formulated for continued daily use, supporting both sides of the mind and gut connection in a single serving.
What they feel
Calmer days.
Calmer days.
Lighter gut.
★★★★★
My digestion has improved dramatically. I used to feel bloated after almost every meal, and that's almost completely gone. Plus, I feel mentally calmer. Total game changer.
Emily Johnson
Verified Customer
★★★★★
I've tried dozens of gut health products, but none made me feel this relaxed and focused. Core Calm does exactly what it says. Highly recommend.
Sarah Wilson
Verified Customer
Individual results vary and are not typical. Reviews reflect the personal experiences of individual customers and are not a guarantee of any outcome. Core Calm is a dietary supplement and is not intended to diagnose, treat, cure, or prevent any disease.
Good questions
Before you
Before you
start.
Two capsules a day, ideally in the morning or early afternoon, with or without food. Taking them at the same time each day makes the calm easier to feel and easier to keep.
L-theanine can feel calming quite quickly for some people. The deeper stress and gut support build with consistent daily use over a few weeks. Results vary.
Core Calm supports both the stress side and the gut side of the same loop in a single daily serving, so you are not stacking three separate products to cover both.
Core Calm is formulated without sedatives and without stimulants. L-theanine is included at 400mg per serving to support a calm, focused state, and the formula is intended for everyday use. If you have questions about how it fits your routine, check with your healthcare provider.
It is formulated for daily use with well studied ingredients at sensible doses. If you are pregnant, nursing, taking medication, or managing a condition, check with your doctor first.
No. The formula contains grass-fed bovine colostrum, so it is not vegan.
Core Calm is generally safe to pair with other daily supplements. We always recommend checking with your healthcare provider, especially if you are on medication or managing a health condition.
Yes. Core Calm is made in the USA in a GMP certified facility, third-party tested, heavy-metal tested, non-GMO, and free of fillers. Clean in a world full of junk.
Start the reset
Two capsules.
Both sides. Every day.
Support your stress response and your gut, two capsules a day. Made in the USA and third-party tested.
$39.99
$49.99
per bottle, 60 capsules
Start with Core Calm →
Free 48 hour shipping. Made in the USA in a GMP certified facility. Third-party tested.