Brain Function & Focus

$59.95

or 4 payments of $14.98 NZD with

  • Brain performance and focus support in one powerful dose
  • Lion's Mane supports focus, clarity, memory and mental energy
  • Lion's Mane strong anti-inflammatory and immune support
  • Reishi mushroom supports focus and clarity
  • Aronia Brainberry® for brain health and cognitive performance
  • Aronia berry high antioxidant content, rich in anthocyanins.
  • Gingko supports memory, mental sharpness and processing speed.
Not applicable: Capsule

Ideal for when you're feeling

Focus
Brain health
Forgetful
Brain fog

Format

Capsule

Suitable for

15 years and over
Size
Subscription Save 4, 6 or 8 weeks
Delivery every 4-weeks — 20%
Delivery every 6-weeks — 20%
Delivery every 8-weeks — 20%
Purchase Options

Delivery Frequency

You can pause, skip, swap or cancel your subscription anytime.

Details

This unique brain formula uses Lion’s Mane and Reishi to support brain health and calm focus. Ginkgo to support circulation and oxygenation, and antioxidant-rich Aronia Brainberry® to support brain performanceBrain performance and focus support in one powerful dose. 


Click on our unique ingredients below to read the clinical research:  
Brainberry®


How to take

RECOMMENDED ADULT DOSAGE (15+ years)
Take 3 capsules a day.
Use within 90 days of opening.
One month supply.
Suitable for long term use.

Ingredients

Each vege capsule contains extracts equivalent to:

LIONS MANE fresh fruit 3500 mg
Standardised to contain polysaccharides 70 mg
REISHI dried fruit 667 mg
Standardised to contain polysaccharides 16.67 mg
GINKGO dried leaf 2500 mg.
Standardised to contain Ginkgo flavonoids 12 mg
Brainberry®
ARONIA fresh fruit 1627 mg
Standardised to contain cyanidin-3-O-galactoside 3.26 mg
Other ingredients: hydroxypropyl methylcellulose (capsule), magnesium stearate,
microcrystalline cellulose, vegesil silica.
Brainberry® is a trademark of BIOACTOR B.V.
Caution: Always read the label and use only as d

Benefits
  • Supports mental clarity and focus
  • Supports long-term brain health
  • Supports circulation and oxygenation
  • Supports a calm nervous system
  • Supports healthy immune function.

Always read the label and use only as directed. If taking prescribed medication, consult your health professional before taking this product. If symptoms persist, seek professional medical advice.

Store in a cool dry place under 25°C

Brain Function & Focus

Ideal for when you're feeling

Focus
Brain health
Forgetful
Brain fog

Format

Capsule

Suitable for

15 years and over

“Perfect for busy minds and demanding days — this blend helps support mental focus and mental clarity you can feel.”

No GMO & vegan friendly ingredients
No preservatives, artificial colours or flavours
Free from added gluten, yeast, soy
Ingredients tested for heavy metals

The power of nature

Our pure and powerful herbal extracts work hard for your wellness. Every dose delivers meaningful levels of active ingredients, each sourced from trusted growers around the world.

View Our Ingredients Glossary
Reishi Mushroom
Reishi Mushroom
Ganoderma lucidum

Reishi mushrooms are calming adaptogens traditionally used to support balance during times of stress. It contains compounds that may assist the body's natural response to oxidative and inflammatory processes, supporting emotional wellbeing and immune health. Reishi mushrooms contain beta-glucans, triterpenes and other compounds that have been shown to support healthy immune cell activity, while supporting the body to adapt to stress and maintain immune homeostasis.

Lion's Mane Mushroom
Lion's Mane Mushroom
Hericium erinaceus

Lion's Mane is a functional mushroom traditionally used to support cognitive and nervous system health. It contains compounds studied for their role in supporting the growth of nerve cells and maintaining mental clarity.

Aronia Berry
Aronia Berry
Aronia melanocarpa, also known as black chokeberry

Aronia berry is rich in polyphenols and anthocyanins, which provide antioxidant support. Brainberry®, a standardised Aronia extract, has been studied for its role in supporting cognitive markers such as focus, accuracy, and mental alertness in healthy individuals.

Gingko
Gingko
Ginkgo biloba

Ginkgo biloba has been traditionally used to support memory and cognitive function. It is widely researched for its ability to assist circulation to the brain and may help maintain mental sharpness in older adults. Caution: Gingko Bilboa affects blood thinning medication and should not be used prior to surgery. Always consult your health care provider before taking with any medications.

What sets Harker Herbals apart

Other brands

High-potency capsules

Deliver a therapeutic dose in a convenient, on-the-go format.

High-potency capsules High-potency capsules
High-potency capsules High-potency capsules

Multi-herbal formula with plant extracts

Complex blends combining multiple herbs and high-quality plant extracts that work synergistically for broader support.

Multi-herbal formula with plant extracts Multi-herbal formula with plant extracts
Rare

Master-Herbalist formulated

Professionally developed by experienced herbalists using traditional + modern herbal knowledge.

Master-Herbalist formulated Master-Herbalist formulated
Master-Herbalist formulated Master-Herbalist formulated

Non-GMO, Vegan-friendly

Made with clean, naturally derived ingredients and free from unnecessary synthetics or artificial additives.

Non-GMO, Vegan-friendly Non-GMO, Vegan-friendly
Rare

Made in New Zealand in GMP facility

Manufactured to GMP quality standards in New Zealand.

Made in New Zealand in GMP facility Made in New Zealand in GMP facility
Rare*

Ingredients third-party tested

Ingredients are third-party tested for heavy metals, pesticides and verified for authenticity and purity

Ingredients third-party tested Ingredients third-party tested
Ingredients third-party tested Ingredients third-party tested

FAQs

Can Brain Function and Focus help with early memory decline or Alzheimer’s?
This product may support cognitive function, but it is not a treatment for any medical condition.
What’s the difference between Brainberry® Aronia and blueberries?
Brainberry® Aronia is derived from Aronia berries and contains distinct bioactive compounds.
Can this support focus and calm in teens or adults with ADHD or anxiety?
It may support concentration and calm, especially during times of stress. Please consult a healthcare professional for specific conditions.
Is Brain Function & Focus suitable for menopausal brain fog?
Yes, it may support mental clarity during menopause.
What is Brainberry® and what does it do?
A highly antioxidant-rich Aronia berry extract, standardised for cyanidin-3-O-galactoside; a potent polyphenol shown to support brain function. It enhances focus, reaction time, and psychomotor accuracy. It supports healthy cognitive ageing and helps protect brain cells from oxidative stress.
What makes Brainberry® different?
It’s scientifically researched for brain performance. Benefits can be seen from single dose through to long-term use, without overstimulation.
What is Lion’s Mane and what does it do?
Lion’s Mane is a nootropic mushroom used in Traditional Chinese Medicine to support cognitive health. It supports the growth and repair of nerve cells. Aids memory, focus, and cognitive clarity. It’s useful for those wanting to support focus, mental energy or brain ageing. It may also support mood and nervous system recovery.
What makes Lion’s Mane special?
Lion’s Mane contains compounds (hericenones and erinacines) that stimulate Nerve Growth Factor (NGF).
What is Reishi and what does it do?
Reishi is a calming adaptogenic mushroom known as the “mushroom of immortality.” Reishi supports emotional balance, stress resilience, and calm focus. It has neuroprotective properties.
What does Reishi support?
Reishi is useful for those experiencing mental fatigue, stress, or difficulty relaxing. It also supports immune function and brain inflammation pathways.
What is Gingko and what does it do?
Gingko is a widely studied herb for cognitive and circulatory support. Gingko enhances blood flow to the brain and supports memory and processing speed. It’s useful for people of all ages looking to support brain sharpness and recall.
Any cautions with Gingko?
Check with a healthcare provider if on blood-thinning medication.

Become a Friend of Harkers

Get 10% off your first order, earn points with every purchase, enjoy free shipping and savings exclusive to our loyal members.

Join Us Today