MYTH VS. FACT

Functional Mushrooms, Digestion, and Buccal Absorption: Myth or Fact?

A video about not wanting to eat raw mushroom got a lot of attention. Less attention went to what's actually happening once you swallow something, mushroom or not. Let's sort out what's true.

September 2026 • 6 minute read

MYTH

"Eating Lion's Mane Raw Is the Best Way to Get Its Benefits"

FACT

Raw or cooked doesn't change what happens next.

Whatever form Lion's Mane takes, it still has to survive stomach acid and pass through your liver's first-pass filtering before any of it reaches your blood.1 A new American-manufactured functional mushroom pouch brand called Flow skips that step entirely, delivering Lion’s Mane through the same tissue inside your cheek that fast-acting medications use to reach your bloodstream directly.

Swallowed route

MOUTH→STOMACH ACID→LIVER→BLOODSTREAM

Buccal route

MOUTH→CHEEK TISSUE→BLOODSTREAM
MYTH

"A Capsule Is More Concentrated, So More of It Reaches Your Body"

FACT

Concentration in the capsule isn't the same as absorption in your body. A capsule still has to dissolve, survive your stomach, and pass through your liver before your blood ever sees it.1 A bigger dose swallowed is still a dose fighting the same bottleneck.

MYTH

"Mushroom Coffee Gives You a Real Dose of Lion's Mane"

FACT

Most mushroom coffees mix a small amount of mushroom extract into a much larger scoop of coffee or creamer. That's a different thing than a concentrated dose of the fruiting body itself, and whatever amount is actually in there still has to survive digestion afterward, same as a capsule or a raw mushroom.

MYTH

"TeaCrine® Works Like Caffeine, So Your Body Builds a Tolerance to It"

FACT

No tolerance build-up observed over 8 weeks of regular use.

An 8 week safety study found no signs of tolerance build-up with regular TeaCrine® use, meaning the body doesn't need increasing amounts to feel the same effect the way it can with caffeine.2 TeaCrine® is also built to work alongside caffeine, not replace or block it.

NO TOLERANCE BUILD-UP.ONE CONSISTENT EFFECT.

MYTH

"Cordyceps and Reishi Are Just Traditional Ingredients Without Real Research Behind Them"

FACT

Cordyceps has been studied in a randomized, placebo-controlled trial for exercise- and blood-flow-related outcomes.3 Reishi has been linked to improved sleep quality in a systematic review and meta-analysis of randomized controlled trials,4 and a separate randomized, double-blind, placebo-controlled trial found a Reishi extract eased stress-related fatigue symptoms.5 Traditional use is a real part of the story. It's just not the part that counts as evidence on its own.

TWO SEPARATE STUDIES.TWO CONSISTENT FINDINGS.

THE CORDYCEPS EXERCISE TRIAL3
THE REISHI SLEEP REVIEW4
THE REISHI STRESS TRIAL5
SEE HOW FLOW DELIVERS THESE INGREDIENTS DIFFERENTLY
MYTH

"A Pouch Is a Pouch. The Delivery Method Doesn't Really Matter"

FACT

Buccal absorption, holding something against the tissue of your cheek and gums instead of swallowing it, is a documented route used specifically because it skips gastric breakdown and liver filtering entirely.1 Not every pouch on the market is built around that mechanism on purpose. Flow is.

MYTH

"If You're Not Getting Energy From Caffeine or Nicotine, You're Not Getting Real Energy"

FACT

87% reported better energy throughout the day.

More than 103,000 people have tried Flow to date. In a 2026 post-purchase customer survey, 87% of respondents reported better energy throughout the day.6 TeaCrine® is built to support focus and steady energy without the jitters, crash, or dependency people often get from caffeine, alongside methylcobalamin B12, a highly bioavailable form of vitamin B12 that supports energy metabolism.

Lion's Mane
Cordyceps
Reishi

What This Actually Means

None of this means capsules, powders, gummies, or mushroom coffee are useless. It means they're all working against the same digestive bottleneck, regardless of what's inside them. Flow was built to work with that bottleneck removed instead, held against your gums and cheek so its ingredients, Lion's Mane, Cordyceps, Reishi, TeaCrine®, and methylcobalamin B12, absorb directly into your bloodstream instead of having to survive a trip through your stomach first.

That's the part worth clearing up.

STOP WASTING IT. START ABSORBING IT.

BUY 4 GET 4 FREE

or

BUY 7 GET 8 FREE

60-DAY MONEY-BACK GUARANTEE

STOP WASTING IT. START ABSORBING IT.

Real People. Real Results.

Jeffrey M.

FLOW user for life

I love Flow. The flavor is great and I do focus better… I'm sure I'll use Flow from now on. Can't imagine living without it. This is the real deal. Would highly recommend. Thanks for making this.

JP

I honestly didn't think I was going to like them. Then I popped one in my mouth and... BAM! What a pleasant surprise! The Blue Razz flavor is excellent, with a bold taste and just enough tartness to get the salivary glands working. These pouches contain no nicotine and no caffeine, so don't expect the sharp jolt you'd get from an energy drink or a cup of coffee. Instead, they're made with functional mushrooms including Lion's Mane, Cordyceps, and Reishi, along with TeaCrine for a smoother energy boost without caffeine. They're also sweetened with allulose, a naturally occurring sugar that's used because it has very little effect on blood sugar. No jitters, no crash, no dependency. Their current BUY 4 GET 4 FREE or BUY 7 GET 8 FREE sale and 60 day money back guarantee make it make even more sense.