Welcome to GRNHOUSE, the science hub behind GRNS. This is where we break down the research, ingredients, and nutritional principles that shape our formula and the way we think about health.
This Week's Read
Fresh from the GRNHOUSE.
Our latest reads on nutrition, gut health, and everyday performance.
Why Most Greens Powders Don't Work
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The Gut-Brain Axis
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Clearing the Clouds: Fixing Brain Fog
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GRNS Gives You Energy — But How?
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The Keys to Anti-Ageing
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Micronutrients vs Macronutrients
Read more →Get To Know GRNS.
Why Most Greens Powders Don't Work
Most greens powders on the market are underdosed, proprietary blended, or packed with fillers. Here's what to look for.
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The Difference Between Cheap vs Premium Greens Powders
Not all greens powders are created equal. Here's what separates the best from the rest.
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How Do I Store My GRNS Greens Powder?
Storage matters more than most people think. Here's how to keep your GRNS fresh and potent.
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Why Everyone's Obsessed With Foundational Health in 2025
Foundational health is having a moment — and for good reason. Here's what it means and why it matters.
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If Your Greens Powder Has These Ingredients — Ditch Them
Some ingredients are just filler. Others are actively harmful. Here's what to avoid.
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Are Greens Powders Worth It?
The honest answer — backed by the research.
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Why We Left These Ingredients Out of GRNS
Every ingredient we excluded was a deliberate decision. Here's why.
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Visible (and Invisible) Benefits
What you see on the outside is a reflection of what's happening on the inside.
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What Is a Greens Powder?
New to greens? Here's exactly what a greens powder is, what's inside, and why it works.
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Are Greens Powders Good for You?
Are they actually good for you? Here's what the science says — and who benefits most.
Read more →Daily Health.
The New Wave: Foundational Health
Real wellness starts with the basics — what we call foundational health.
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GRNS Gives You Energy — But How?
GRNS uses science and nutrition to give you a spring in your step, discover how.
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How to Reduce Inflammation (Naturally)
Inflammation is your body's natural defence mechanism.
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Acne Isn't Skin Deep
Your skin can be a reflection of your inner health. Find out how your systems affect acne.
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Turns Out, Foreplay Starts In the Body
Foreplay isn't just what happens in the bedroom — it starts long before.
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Your Body Might Not Be Absorbing What You Eat
This is one of the most overlooked pieces of the health puzzle.
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Can Greens Powder Help With Weight Loss?
Greens won't melt fat, but they support the habits that do. Here's the real link.
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Greens Powder vs Coffee
Reaching for another coffee? Here's how greens compare for clean, steady energy.
Read more →Gut Health & Digestion.
The Gut-Brain Axis
Your microbiome plays a vital role in virtually every aspect of human physiology.
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How to Defeat Bloating
Bloating is an extremely common thing. Here are some methods to use to defeat it for good.
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The Microbiome: Meet the Tiny Universe Inside You
Inside your gut lives a vast ecosystem of trillions of microorganisms.
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The Science of Prebiotics
Prebiotics are a special type of dietary fibre that your body can't digest on its own.
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Your Microbiome Has 100 Trillion Roommates
Inside your gut right now lives an entire ecosystem of microorganisms.
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3 Reasons Why You Need Fibre + Where to Get It
Fibre is one of the most underrated parts of nutrition.
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The Gut-Immune Axis
Why 70% of your immune system lives in your digestive tract.
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Is Greens Powder Low FODMAP?
Sensitive gut? Here's what to know about greens powders and the low-FODMAP approach.
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Why Not All Probiotics Are Equal
That big 'billions of CFUs' number tells you less than you think. What actually matters.
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Antinutrients: Are They Blocking Your Nutrition?
Do phytates and oxalates really block your nutrition? A calm, science-backed look.
Read more →The Brain.
Master Stress With Adaptogens
Here are some scientific chemical balancers that help behind the scenes.
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Brainfood: Nutrients and Adaptogens That Support Cognitive Health
The brain is the most mysterious and yet fragile thing we know of.
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Clearing the Clouds: Fixing Brain Fog
Brain fog describes a collection of cognitive symptoms.
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Oxidative Stress Ages the Brain Faster Than Time
Your brain doesn't age according to the calendar. It ages according to damage accumulation.
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Best Greens Powder for Brain Health
Lion's mane, adaptogens and more — the nutrients that support focus and mental clarity.
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Your Second Brain: The Enteric Nervous System
Your gut runs its own vast network of neurons. Meet the 'second brain', explained.
Read more →Nutrition.
Micronutrients vs Macronutrients
People often think about the macros in their food, but how many know the importance of the micros.
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Most Aussies Don't Get Enough Veggies
More and more research has been spread about the importance of vegetables.
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How Diet Affects Your Hormones
Your body is full of hormones regulating your complex systems.
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Synthetic vs Wholefood Vitamins
Synthetic claims to do the same thing as whole-foods, but do they?
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Chlorophyll Matters More Than You Think
Chlorophyll isn't a wellness fad. It's a well-researched, naturally occurring compound.
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Microgreens vs Greens
You've probably heard people talk about leafy greens and microgreens.
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Greens vs Veggies
Can a scoop really replace your veggies? Here's how they stack up — and where greens help.
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Greens vs Multivitamins
Greens powder or a multivitamin? Here's which one your body actually absorbs better.
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Micronutrient Gaps: Why 'Healthy' Isn't Enough
Even a careful diet can leave gaps. Why modern food falls short, and how to cover it sensibly.
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Bioavailability: Why the Form of a Nutrient Matters
It's not just what you take, it's what you absorb. Why a nutrient's form is everything.
Read more →GRNS Dictionary.
Phytonutrients
What exactly is going into your body? Here's a look at one element, phytonutrients.
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What Is a Synbiotic: And Why You Need It
Your gut is the gateway to the rest of your body. Treat it well and you will feel the difference.
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Adaptogens
Adaptogens are a class of plant compounds known for helping the body adapt to stress.
Read more →Ageing & Longevity.
The Keys to Anti-Ageing
Discover the effect of androgens on the body, and why anti-androgens are so important.
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How Polyphenols Slow Ageing
One of the most powerful tools your body uses to defend itself against this stress comes from plants: polyphenols.
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Nutrient Bioavailability After 30
One of the most significant shifts that occurs after thirty is a decline in nutrient bioavailability.
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Super Greens vs Collagen
Greens or collagen — which deserves the spot in your routine? Here's the honest take.
Read more →GRNS Loves Women.
Discover the Power of Anti-Androgens
Discover the effect of androgens on the body, and why anti-androgens are so important.
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How GRNS Loves Women
There is a quote about women that is equally as true about our body: "She heals, she grows, she thrives."
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Can You Take Greens While Pregnant?
Thinking about greens during pregnancy? Here's what to check with your practitioner first.
Read more →Your Questions,Answered.
What Is GRNS?
GRNS is formulated to support the things most people want to feel every day.
A healthier gut, stronger immunity, sustained energy, and sharper cognition to name a few. Every ingredient is there for a reason, working together across those systems rather than targeting one thing in isolation.
What Is HASTA™ Certified Product?
HASTA™ independently tests every batch for 250+ banned substances, and is the trusted certification standard in Australia for sports drug testing.
Who Is GRNS Made For?
Anyone who takes their health seriously but lives in the real world.
Our customers range from professional athletes to health professionals to everyday legends. If your routine isn't consistently giving your body what it needs, and most people's isn't, GRNS fills that gap.
Will I Feel a Difference?
Everyone responds differently to new inputs. Most people feel something shift within 72 hours, compounding within the first one to two weeks.
Bloating settles, energy becomes more consistent, digestion improves. The longer you take it, the more the benefits compound: gut health, immunity, focus, and recovery all build over time.
Can I Cancel My Subscription Anytime?
Absolutely. You can cancel anytime directly through your subscription portal, or email us at support@grns.com.au and we'll take care of it.
What Does GRNS Taste Like?
GRNS comes in two flavours, Natural and Mango Passionfruit.
Natural is light, clean, and essentially unflavoured. No sweeteners, no grit, no aftertaste, just a refreshing neutral that mixes easily into water or whatever you're already drinking.
Mango Passionfruit is lightly tropical, delicate rather than sweet, and not artificially flavoured. The fruit notes do a good job of masking any earthiness, so you get none of that grassy aftertaste you'd expect from a greens product.
Neither contains sweeteners, sugars, fillers, or artificial flavours.
How Does GRNS Help?
GRNS is formulated to support four things most people want to feel every day: a healthier gut, stronger immunity, sustained energy, and sharper cognition.
Every ingredient is there for a reason, working together across those systems rather than targeting one thing in isolation.
How Often Do I Use GRNS?
Once a day, every day. High-performers usually opt for 2 servings. Most people take it first thing in the morning, and/or after dinner for digestive support before rest.
What Is the Serving Size?
One GRNS scoop = 1 heaped teaspoon (8g) into at least 300ml of water, smoothies, yoghurt, juice, or your favourite liquid. Enjoy once or twice daily.
How Can I Track My Order?
Upon order confirmation you will receive an Australia Post tracking number and a link to the tracking section.
How Long is Delivery?
Standard Delivery: 4–7 Business Days
Express Delivery: 1–4 Business Days
How Long Does It Take to Run Out?
We provide 30 servings for daily use. Members usually opt for monthly refills.
Vegan, Celiac, GF, Pregnant, Breastfeeding
GRNS Is: Added Sugar Free, Sweetener Free, Gluten Free, Diet-Friendly, Vegan, Dairy Free, Added Caffeine Free, Lactose Free, GMO Free.
GRNS is not recommended for Pregnancy, Breastfeeding, or People Under 16.
** Consult a Physician for any questions or concerns.
