At 67, He Kept Blanking on Names. Instead of Worrying About It, He Built a 30-Second Morning Habit on Five Old-World Herbs.

A retired electrician's kitchen-table routine, what published research actually says about oat, gotu kola, rosemary, licorice and lion's mane, and why a small bottle of organic herbs replaced his guessing.

Thomas Whitaker

Health Desk Writer, The Sharp YearsSeptember 2, 2026

This is a paid advertisement. Sponsored by Plant Therapy, Inc.

The story below is a composite drawn from readers' letters to our health desk. Names and identifying details have been changed.

Walt noticed it first at the hardware store.

He knew exactly what he needed.

He could see the part in his head, the little brass fitting for the garden hose.

The word simply would not come.

"Give me one of those… the thing that goes on the… you know," he told the young man at the counter, and they both laughed.

The second time it happened, the same month, he did not laugh.

If you are past 55, you probably know that half-second of silence better than you would like.

The neighbor's name that arrives ten minutes late.

The reason you walked into the garage.

The actor in the movie you watched last night, right there on the tip of your tongue.

Walt did what most of us do.

He blamed his age, he blamed the noise in his head, and he moved on.

For about a year.

The moment"You're Fixing the Wrong Thing"

Walt spent forty-one years as an electrician.

When something stops working, he traces the circuit.

So when the name slips kept coming, he did what he knew: he bought a crossword book and a bottle of fish oil, and he started doing sudoku with his coffee.

Six months later, the puzzles were easier.

The names were not.

It was his daughter, a nurse's aide who reads more than the rest of the family combined, who said the sentence that changed his mornings.

"Dad, you're training the muscle. You're not feeding it."

Walt has repeated that line to half the men at his coffee shop since.

She was not talking about a wonder food.

She was talking about something older and less exciting: the small daily inputs that a 67-year-old brain runs on, and how little attention most men give them.

The morning most men run onCoffee, an Empty Stomach, and a To-Do List

Walt's morning looked like a lot of mornings.

Up at six.

Coffee, black, two cups before anything else.

The news on the radio, the list of chores in his head, and breakfast somewhere around ten if he remembered.

Nothing wrong with any of it.

But his daughter pointed out what he was not doing.

He was not drinking water until noon.

He was not eating anything green before dinner.

And the only plant he put in his body before lunch was roasted, ground and filtered through paper.

"Your brain is about two percent of your body weight," she told him, "and it burns roughly a fifth of your energy at rest."

Walt looked that up later.

She was right.

Here is the part that stuck with him.

An organ that works that hard, every minute of the day, was getting fuel from him exactly once a day, at dinner, and getting nothing at all from him in the morning except caffeine.

He did not need a new brain.

He needed a better morning.

Why a liquidThe Difference Between a Cup of Tea and a Measured Liquid Extract

Walt's first idea was tea.

He had a box of something herbal in the cupboard, and he figured that counted.

His daughter explained the difference in one sentence.

A tea gives you whatever the hot water pulls out in three minutes; a liquid extract gives you the same measured amount every single day.

A liquid extract is made by steeping the herbs for weeks, then pressing and filtering the liquid.

Most liquid extracts use alcohol to do the extracting.

This one uses organic vegetable glycerin and water instead, which is why it tastes sweet rather than sharp, and why there is no alcohol in the bottle.

The practical result is simple.

Two squeezes is two squeezes, on a Monday in March or a Saturday in August.

No kettle, no steeping, no guessing.

What the research actually saysThree Things Worth Knowing About Memory After 55

• Occasional word-finding slips are common in healthy adults and are not, by themselves, a sign that anything is wrong.
• Day-to-day sharpness tracks closely with everyday inputs you control: sleep, movement, hydration, and what you eat and drink in the morning.
• Four traditional herbs in particular have been tested in placebo-controlled trials with adults, several of them older adults, using standard tests of memory and attention, with encouraging but modest and sometimes mixed results. ^{[1] [2] [3]}

A word about the word "study"What a Placebo-Controlled Trial Is, and Why Walt Cared

Walt is a skeptic by trade.

So before he took anything, his daughter explained what the phrase "placebo-controlled" actually means.

Researchers take a group of adults.

Half get the real thing, half get an identical-looking dummy, and nobody knows who got which until the end.

Everyone takes the same tests of memory, attention or reaction time, at the start and again at the end.

If the group on the real thing does measurably better than the group on the dummy, that difference is the finding.

It is not proof for everyone, forever.

Trials are small, they run for weeks or months, and a herb that helps one measure may do nothing for another.

But it is a very different thing from a bottle that says "ancient wisdom" and leaves it there.

Four of the five herbs in Walt's routine have at least one trial of this kind behind them; the fifth, licorice root, is there for its taste and its traditional role in blends, and we claim nothing more for it.

We link to each study at the bottom of this page, and we describe what they found in plain words, including the ones that found nothing.

That third point is where Walt's story turns.

Because the herbs in question are not exotic.

Several of them have been in kitchens, teas and herbal traditions for centuries.

Adults who took a daily lion's mane preparation for twelve weeks scored higher on a standard test of mental status than the group taking a placebo. A second test, of visual memory, did not change.

— Placebo-controlled trial, 31 healthy adults over 50, 12 weeks, 3.2 g of lion's mane a day, standard mental-status testing^[1]

Lion's mane is a shaggy white mushroom that grows on hardwood trees across North America, Europe and Asia.

It has been eaten as food for a very long time.

Only recently has it been studied the way Walt's daughter was talking about: in adults, against placebo, with a stopwatch and a scorecard.

It is one of five plants in the routine Walt eventually settled on.

The other four are just as ordinary, and just as interesting.

Five herbs, one bottleThe Old-World Blend Behind a New Morning Habit

Oat seed.

Not the breakfast kind, but the fresh seed of the same plant, Avena sativa, harvested at its "milky" stage.

Oats have fed families across the temperate world for thousands of years; herbalists in Europe have used the green plant, picked before the grain hardens, for generations.

In a 29-day placebo-controlled trial of 132 healthy adults aged 35 to 65, a green oat extract was associated with better performance on a working-memory task and a multitasking test than placebo. ^[4]

The picture is mixed, and we would rather say so: a 12-week trial in 37 adults around age 67 found no change in any measure of cognition. ^[5]

Gotu kola.

A small creeping plant with fan-shaped leaves that grows in wet ground from India to eastern Australia.

In South and Southeast Asia it is simply food: eaten fresh in salads, and used for centuries in Ayurvedic and Chinese traditions.

In a two-month placebo-controlled study of 28 healthy older adults, a daily gotu kola extract was associated with better working memory and higher self-rated alertness at the highest of three doses. ^[2]

A 2017 review that pooled the randomized trials found no significant effect on cognitive test scores overall, though it did find higher alertness. ^[6]

Rosemary.

Yes, the one in the spice rack.

It grows wild on the dry, rocky Mediterranean coast, and in ancient Greece and Rome it was linked with memory; students were said to wear sprigs of it while they studied.

In folklore it has been the herb of remembrance ever since.

In a small crossover study of 28 adults with an average age of 75, a single culinary-sized dose of dried rosemary leaf, 750 milligrams, was associated with faster speed of memory on testing, while a dose eight times larger had the opposite effect. ^[3]

More was not better.

That detail matters, and it is one reason a measured blend appealed to Walt.

Licorice root.

Naturally sweet, and one of the oldest recorded herbs on earth, used in ancient Assyrian, Egyptian, Greek, Chinese and Indian traditions.

In traditional Chinese formulas it is added to round out the other ingredients, and that is its job here too.

In this formula it rounds out the flavor and the blend; the manufacturer makes no separate claim for it, and neither do we.

Lion's mane.

The mushroom from the study above, included as the whole fruiting body.

It grows on old beech and oak trees across the Northern Hemisphere, looks like a white pom-pom, and is cooked as a delicacy in East Asia, where its texture is compared to crab.

Five ordinary plants.

One small bottle.

Two squeezes in the morning.

What his daughter looked forFive Things to Check Before You Buy Any Herbal Blend

Walt's daughter is the practical one.

Before she handed him a bottle of anything, she made a list, and she was strict about it.

• The label names every plant, with its Latin name and the part used, and states the total amount per serving.
• The herbs are certified organic by an independent body, not just described as "natural."
• It is made in the USA, with the manufacturer's name, city and phone number printed on the label.
• It can be taken without swallowing a capsule, because a habit you dread is a habit you drop.
• The company offers a real money-back guarantee, in writing, that covers an opened bottle.

Most products failed on the second point, or the fourth, or the fifth.

One passed all five.

Why a liquid, not capsulesThe Detail That Made Walt Actually Stick With It

Walt had tried capsules before.

They ended up in the back of a drawer next to the fish oil.

What his daughter found was different in one small way.

It is a liquid extract: the five herbs steeped in organic vegetable glycerin and water, with no alcohol.

You shake the bottle, squeeze the cap twice into water, juice, tea or coffee, and drink it. The label calls each squeeze a dropperful.

The taste is naturally sweet and a little spicy, which is the licorice and the rosemary talking.

It is called Brain Power, from Plant Therapy, a family company in Twin Falls, Idaho that has been blending essential oils and herbal products since 2011.^*

It is certified organic by ECOCERT and made in the USA.

Walt keeps the bottle next to the coffee maker.

Thirty seconds, every morning, before the first cup.

He did not need a weekly organizer, and he did not need to remember anything new, which, he admits, was rather the point.

The labelWhat "Proprietary Blend" Means, and What It Doesn't

Walt reads labels the way he reads wiring diagrams, so this part mattered to him.

The Supplement Facts panel lists a proprietary extract blend of 1,755 milligrams per two-squeeze serving, followed by the five herbs in order: organic oat seed, organic gotu kola aerial parts, organic rosemary leaf, organic licorice root, and organic lion's mane fruiting body.

The other ingredients are two: organic vegetable glycerin and purified water.

"Proprietary blend" is a legal term.

It means the company discloses the total and the order of the herbs, but not the exact amount of each one.

That is common in herbal products, and it is worth knowing, because the studies we cite used specific single-herb doses that may differ from what is in this blend.

We would rather tell you that plainly than let a footnote do it.

What the label does tell you, Walt decided, was enough for him: organic herbs he could name, no alcohol, no fillers, a company with an address, and about twenty servings per bottle.

What to expectLet's Be Completely Clear About What This Is and Isn't

That honesty is exactly what won Walt over.

He had read enough breathless promises to fill a drawer.

What he wanted was a simple, plant-based habit with real research behind its parts, a company that stands behind it, and a way out if it did not suit him.

Plant Therapy gives him that way out in writing.

The routineWhat Ninety Days Looked Like at Walt's Kitchen Table

His daughter told him to write it down, so he did, in the margins of the crossword book.

Weeks one and two: nothing to report, except that he never once forgot the bottle.

The bottle sat where the coffee was.

Week four: he noticed he was looking forward to the taste.

Sweet, herbal, a little sharp.

Not the medicine-cabinet experience he expected.

Week eight: his daughter asked how it was going.

He said he was not keeping score anymore, which she took as a good sign.

Week twelve: he ordered a second bottle before the first ran out.

He still could not tell you what a brass hose fitting is called.

He also had stopped worrying about it.

His mornings look different now, in small ways.

Water first, then the herbs, then the coffee.

The crossword still comes out, but as a pleasure, not a chore he assigned himself.

And the bottle sits where he can see it, which, for a man who spent forty years tracing circuits, is its own kind of reassurance.

Walt's notes describe his routine, not results. What the herbs may or may not do is best judged from the research cited above, which is why we cite it.

Make it stickThree Small Rules Walt Used to Turn the Bottle Into a Habit

Rule one: put the bottle where the habit already is.

For Walt that was the coffee maker.

He never had to remember the herbs, because he never forgets the coffee.

Rule two: attach it to water.

Two squeezes in a full glass of water gave him two things at once: the herbs, and the hydration his daughter had been nagging him about.

On cold mornings he uses tea instead.

Rule three: give it the full ninety days before you judge.

Not because anything dramatic is promised.

Because the trials above ran for weeks and months, not days, and because Plant Therapy's guarantee runs the same ninety days.

If it is not part of your morning by then, send it back.

The guarantee, step by stepHow the 90-Day Guarantee Actually Works

Walt's daughter read the fine print so he would not have to.

Here is what it says, in plain words.

• You buy the bottle on Plant Therapy's own website, so the guarantee is theirs, not a reseller's.
• You have 90 days from the purchase to decide.
• If it is not for you, you contact their customer service by email or phone and return it, even if the bottle is open or half used.
• The refund covers the product; shipping costs are not refunded.
• Past 90 days, they credit your account instead of refunding.

That is the whole policy.

No forms to argue with, and no "unopened only" clause hiding in the small print.

Real-world questionsSix Things Readers Ask Before Their First Bottle

Nothing about what is in the bottle is proprietary or undisclosed.

The label lists every herb, the total blend per serving, and the two other ingredients: organic vegetable glycerin and purified water.

The ingredient guide linked above explains what each plant is, what it is traditionally used for, and what the cited research found.

Who it is forWho It Is For, and Who It Is Not For

Walt is not everyone, so let's be specific.

This routine made sense for a man who is generally healthy, who notices the ordinary name-and-word slips that come with the years, and who would rather build a small daily habit than chase a big promise.

It made sense for a man who wanted plants he could name, a label he could read, and a company he could call.

It is not for you if you are looking for something dramatic to happen by Friday.

It is not a substitute for sleep, for walking, for water, or for the conversation with your physician that you may have been putting off.

And if you have a health condition or take anything daily, that conversation comes first, before any bottle.

If that sounds fair to you, the rest of this page is simply the details.

A note to the skepticsIf You Are Still Not Sure, Do What Walt Did

Walt did not decide in an afternoon.

He read the label.

He read the studies, the good and the null, which we link below.

He called the number on the bottle and asked a real person about the guarantee.

Then he asked himself one question.

"What is the cost of trying this for ninety days, and what is the cost of not trying anything?"

For him, the first was a small bottle and a new spot next to the coffee maker.

The second was another year of laughing it off at the hardware store.

You do not have to decide today, and nothing on this page will tell you that you do.

The sixty-second versionBrain Power at a Glance

• Five organic botanicals: oat seed, gotu kola, rosemary leaf, licorice root and lion's mane, 1,755 mg of extract blend per serving.
• Alcohol-free liquid extract in organic vegetable glycerin and water; two squeezes in water, juice, tea or coffee.
• About 20 servings per 30 mL bottle; certified organic by ECOCERT; made in the USA by Plant Therapy of Twin Falls, Idaho.
• Four of the five herbs have been studied on their own in small placebo-controlled trials with adults, with encouraging but mixed results on standard tests of memory and attention. ^{[1] [4] [2] [3]}
• Full money-back guarantee within 90 days, even on an opened bottle.

Where to find itBrain Power Is Sold Directly by Plant Therapy

Walt's daughter found the bottle on Plant Therapy's own website, which is the only place we link to.

Prices and any current promotions are shown there, not here, because they change.

See the current price on Plant Therapy's site

An organic, alcohol-free liquid herbal extract with five botanicals traditionally used for focus and clarity.

CHECK AVAILABILITY

Full money-back guarantee within 90 days · Ships from Twin Falls, Idaho

Walt still forgets where he left his reading glasses.

So does everyone.

What changed is that his mornings now start with something he chose on purpose, backed by research he could read for himself.

That was worth thirty seconds to him.

P.S. Four of the five herbs in Brain Power have been studied one at a time, in small trials, with encouraging but mixed results on standard tests of memory and attention. ^{[1] [4] [2] [3]}

Nobody can promise you the same experience, and this page does not.

What Plant Therapy can promise is a certified-organic, alcohol-free blend and a 90-day guarantee.

P.P.S. If you are the kind of man who likes to read the research first, every study mentioned above is linked in the references at the bottom of this page, and every ingredient is explained in the ingredient guide.

Walt read them at his kitchen table.

Then he ordered the bottle.