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 capsule.
Calm the loop between your gut and your mind.
Core Calm supports your stress response and your digestive health at the same time. One daily capsule. Fruiting body Reishi, L-theanine, and grass-fed colostrum, dosed to actually work.
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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
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. One capsule. 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
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.
✓
One capsule, once a day
Both sides of the loop covered in a single daily pill. No stacks to manage.
What to expect
Calm builds.
Calm builds.
Then it holds.
Core Calm works with your body, not against it. Consistency is what turns a good day into a steadier baseline. Everyone is different, so timing varies from person to person.
Week 1
The first shift
L-theanine can feel calming within the first few days. Many people notice a steadier, less frantic baseline as the edge starts to come off.
Weeks 2 to 3
The gut settles
As colostrum supports the gut lining, digestion often starts to feel lighter and the familiar afternoon heaviness begins to ease.
Week 4 and on
The loop loosens
With daily use, calmer days and a more settled gut start to feel like your normal rather than a good exception.
What they feel
Calmer days.
Calmer days.
Lighter gut.
★★★★★
I was skeptical at first, but Core Calm really surprised me. Within a week, my gut felt better, and I noticed I was less reactive to stress. It's now part of my daily routine.
Mark Shinkorenko
Verified Customer
★★★★★
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. Reviews reflect the experiences of individual customers.
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 capsule, so you are not stacking three separate products to cover both.
No. L-theanine supports calm focus rather than sedation, and Reishi supports a balanced stress response without knocking you out. It is built for everyday use.
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
One capsule.
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.