Daily Kidney Support
Steady Numbers Start Here
Made with 12mg of pure astaxanthin to help support healthy kidney function and your body's own defences.†
Bamboo Lid Glass Jar
Kidney Support†
Filtration Support†
Antioxidant Defence †
Steady Daily Energy†
Healthy Inflammation Response†
One Pure Ingredient†
Kidney Support†
Filtration Support†
Antioxidant Defence†
Steady Daily Energy†
Healthy Inflammation Response†
One Pure Ingredient†
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Description
Astera is 12mg of pure astaxanthin. One small softgel a day.
Astaxanthin is a deep red pigment. It comes from a tiny freshwater algae called Haematococcus pluvialis.
When its pond dries up and the sun turns harsh, the algae floods itself with red. That red is what keeps it alive. The molecule exists because something needed protecting under stress.
Ours is grown in Hawaii, in open sun. Then it is pressed out with cold CO2. No heat. No chemical solvents.
That matters more than it sounds. Astaxanthin is fragile. Heat and air break it down. So how it comes out of the algae decides how much is left by the time it reaches you.
One ingredient. Nothing else in the softgel. 120 softgels in the bag — four months.
Why You Need Astera
Each kidney holds about a million tiny filters. They are called nephrons.
They work every second, for seventy years, and you never feel them do it.
And they do not grow back. You were born with all you will ever have.
So the only question that matters is what wears them down.
The answer is oxidative stress. Every time a cell makes energy, a few unstable bits come off. They pull an electron from whatever is nearest. Inside a kidney cell, what is nearest is the wall wrapped around it.
Then it spreads. One damaged bit takes from the next. The next takes from the one after that. A chain running along the wall of the filter.
Your body does fight this. Glutathione. Superoxide dismutase. Both real, both working.
But both dissolve in water. They work in the watery part of the cell.
The damage is happening inside the wall, in the fatty layer. Water can't follow it in there.
Astaxanthin can. Its molecule is long enough to sit right through the wall — outside face, fatty middle, inside face. One position, all three.
That is the whole reason this page exists.†
About Your Free Gifts
Three things to make the daily habit easier. Yours free.
Kidney Tracker & Planner ($29.99)
A simple place to write down your numbers. eGFR, creatinine, urine protein, date, and what you changed that quarter. One page per blood test. Take it to your next appointment. Most people leave the clinic with a number they've forgotten by the time they get to the car — this is so you stop starting from scratch every six months.
Benefits
- Supports healthy kidney function†
- Supports your body's own antioxidant defences†
- Helps protect cells from everyday oxidative stress†
- Helps maintain a healthy inflammation response†
- Supports steady energy through the day†
- Supports healthy blood flow through the smallest vessels†
- The full 12mg used in the clinical studies — not a 4mg sprinkle
- One pure ingredient. No blends, no fillers, no mystery
- Free from gluten, dairy, sugar, soy and artificial additives
Recommended Use
Take 1 softgel a day with food. A meal with a little fat in it helps — astaxanthin is fat-soluble.
Take it every day. It builds up over time. It is not a stimulant, so there is nothing to feel on day one.
Do You Offer a Guarantee?
Add your answer here.
Feel better or it's free!
If the bloating and inflammation doesn't ease, the fatigue doesn't lift, and you're not feeling like yourself again, we'll refund every penny. No questions asked.
60+
Clinical studies on astaxanthin
6,000x
Stronger than vitamin C in lab antioxidant tests
12mg
The full dose used in the research
1M+
Bags shipped
Clinically Studied. Steady Energy. Real Kidney Support.*
A molecule the algae makes to survive. Now studied in over 60 human trials.
4 Things Decide If Astaxanthin Works
The Algae
Astaxanthin comes from Haematococcus pluvialis, a freshwater algae. Grown in Hawaii, in open sunlight, so the sun stresses it into making the pigment the way it does in the wild. Most astaxanthin sold in the world is not this. It is made from petrochemicals — the same pigment used to colour farmed salmon.
The Dose
12mg per softgel. Every clinical study uses 12mg. Most brands carry 4 to 6mg, because that lets them print the word on the front without paying for much inside. That is the difference between a dose and a decoration.
The Extraction
Astaxanthin is fragile. Heat and air destroy it. The cheap way uses chemical solvents and heat, and then you are left explaining the solvent. Ours is pressed out with cold CO2. No heat. No solvents. More of it survives the journey to the bag.
The Colour
Hold a softgel up to a window. Real astaxanthin at a real dose is deep red — nearly black-red. Pale means it broke down before it reached you. You can check ours in ten seconds, before you believe a word on this page.
Real Stories, Real Results
What customers say after their next blood test.
“My doctor asked what I'd changed.”
My number had come down at every check for three years. Last time it hadn't moved. First time in three years. I'm not going to pretend I know exactly why. But I know what I added.*
MARGARET T.
“I stopped crashing at two o'clock.”
I thought it was my age. Every afternoon, like a wall. About six weeks in I noticed I'd got through a whole Tuesday without needing to sit down. Small thing. Felt enormous.*
DEREK H.
“One ingredient. That's why I bought it.”
I was told to be careful with supplements because my kidneys have enough to sort out already. Everything else on the shelf had 14 things in it. This has one. That's the only reason I tried it.*
ANNE M.
“Something to actually do.”
We'll keep an eye on it" was all I got for two years. I wasn't asking for a miracle. I was asking for one thing I could do between appointments. That's what this is.*
PETER L.
One Softgel. Every Morning.
Here's what Astera® is working on while you get on with your day.
Kidney & Filtration Support†
Antioxidant Defence†
Steady Energy & Clarity†
Healthy Inflammation Response†
Real Benefits. Backed by Research.
One ingredient. One morning softgel. Over 60 clinical studies behind it.
Filtration
Where the number on your chart comes from
Your eGFR is an estimate of how much blood your filters clean each minute. Those filters are made of cells. Those cells are wrapped in a fatty wall. Astaxanthin works inside that wall.†
Defence
Inside the cell wall, not standing outside it
Your own defences are real. They also drop with age, and they work in water, not fat. Astaxanthin works in the fat. It fills the gap they can't reach.†
Energy
For afternoons that used to disappear at two
When filters can't clear waste as fast as they used to, it builds up. That's the two o'clock wall. You're not lazy and you're not simply getting older.†
Inflammation
A healthy response, naturally supported†
Oxidative stress and inflammation feed each other. Break into the loop at the cell wall and you're working further upstream than anything you can feel.†
Your 4 Months With Astera®
Astera® is built for daily use, not quick fixes. Here's how it tends to go.
- ✅No buzz, no lift, nothing to feel*
- ✅That is normal. It is not a stimulant*
- ✅It is building up in your cells*
- ✅Afternoons feel steadier*
- ✅Fewer trips to the bathroom in the night*
- ✅Sock marks gone by bedtime*
- ✅Steady energy stops being a surprise*
- ✅The 2pm wall stops being a fixture*
- ✅The habit is automatic now*
- ✅This is the window the studies measured*
- ✅It is also about the gap between your blood tests*
- ✅You take the bag to your appointment and let the number talk*
- ✅You don't have to take our word for any of it*
Astera® Is Different From Everything You've Tried
The Full 12mg, Not a Sprinkle
Every clinical study on astaxanthin uses 12mg. Most brands carry 4 to 6mg. That's enough to print the word on the front and not much else. We pay for the full dose because the studies did.
One Ingredient, Not Fourteen
No blends. No proprietary mix. When filters are already working harder than they should, the last thing they need is thirteen more things to sort. It's the reason people in renal clinics get warned off multivitamins.
Grown in Sunlight, Not Made From Petrol
Most astaxanthin in the world is synthetic, made from petrochemicals. Ours is grown microalgae from Hawaii — the form used in the research. Open ponds, real sun, so the algae makes the pigment the way it does in the wild.
Deep Red, Or It Didn't Survive
Heat and air destroy astaxanthin. Ours is pressed out with cold CO2, no heat and no solvents. Hold a softgel to the window. Deep red means it survived. Pale means it didn't. Check ours before you believe us.
Four Months in a Bag, Not Thirty Days
The research measured over 8 to 12 weeks. A 30-day supply runs out before you get to the part worth measuring. Four months means your next blood test lands while you're still taking it.
Astera® vs. Other Brands
ASTERA
Full 12mg Clinical Dose
Grown Microalgae
Cold CO2 Extracted
3rd-Party Tested, Certificate Published
One Pure Ingredient
Other Brands
- Clinically-Studied Ingredients— Ingredients with real research behind them, including 82 clinical trials on black seed oil
- Steady Daily Support— Built for long-term use, not 7-day cleanses
- Clean & Pure— No fillers, GMOs, sugar, or artificial additives
- Visible, Gradual Results— A daily ritual that keeps working, week after week
Feel The Difference
90-Day Risk-Free Trial
If you're not completely satisfied in your first 90 days, simply return your order for a full refund — no questions asked.
They Stopped Guessing. Here's What They Said.
“The colour test sold me.”
I've been burned before. I held one up to the kitchen window like the page said. Deep red, almost black. The last brand I bought was pale orange. That told me everything.
“Part of the morning now.”
One softgel with breakfast. That's it. Four months in a bag means I'm not reordering every few weeks and forgetting.
“Quiet, but it's working.”
Nothing happened for three weeks and I nearly stopped. Around week six the afternoons changed. It works quietly. But it works.
“My doctor asked what I'd changed.”
My number had come down at every check for three years. Last time it hadn't moved. I don't know exactly why. I know what I added.
Frequently Asked Questions
CAN I BUY ASTERA ASTAXANTHIN IN STORES?
CAN I BUY ASTERA ASTAXANTHIN IN STORES?
No. Astera is available only through this website.
Selling direct is how we keep the price at roughly half what the big brands charge, control quality from batch to batch, and make sure every bag is third-party tested before it reaches you.
It also means you're covered by our guarantee, which you don't get from a random shelf or marketplace listing.
WHAT'S ACTUALLY IN IT, AND IS IT REAL HAWAIIAN-STYLE ASTAXANTHIN OR THE CHEAP SYNTHETIC KIND?
WHAT'S ACTUALLY IN IT, AND IS IT REAL HAWAIIAN-STYLE ASTAXANTHIN OR THE CHEAP SYNTHETIC KIND?
Every softgel contains a full 12mg clinical dose of naturally sourced astaxanthin from Haematococcus pluvialis microalgae, the form used in human research.
Not the synthetic version made from petrochemicals that some cheap brands use. No fillers, no mystery blend.
We know the category has a fake-and-underdosed problem (independent testing has caught brands with the wrong amount, or none at all). That's exactly why every batch of Astera is third-party tested, and why we'll show you the certificate.
IS IT SAFE TO TAKE WITH MY CURRENT MEDICATIONS, ESPECIALLY BLOOD PRESSURE MEDS OR BLOOD THINNERS?
IS IT SAFE TO TAKE WITH MY CURRENT MEDICATIONS, ESPECIALLY BLOOD PRESSURE MEDS OR BLOOD THINNERS?
Astaxanthin is a single, gentle, naturally sourced antioxidant with no stimulants, and most people take it without issue.
That said, because you know your own health best: if you take prescription medication, especially blood thinners or blood pressure medication, or you have a diagnosed kidney condition, talk with your doctor or pharmacist before starting.
We'd rather you ask the question than wonder. Bringing the pouch to your next appointment is a perfectly good way to do it.
MY DOCTOR TOLD ME TO BE CAREFUL WITH SUPPLEMENTS. WHY IS THIS ONE DIFFERENT?
MY DOCTOR TOLD ME TO BE CAREFUL WITH SUPPLEMENTS. WHY IS THIS ONE DIFFERENT?
That's smart advice, and we take it seriously. Bring the bag to your next appointment.
A lot of what doctors warn against is multivitamins and "kidney cleanse" blends that pile in ingredients the body has to work to process.
Astera is the opposite: one pure ingredient, one clinical dose, third-party tested, nothing hidden.
We actively encourage you to run it by your provider, and the fact that we want you to have that conversation should tell you something about how we're built.
WILL THIS FIX MY KIDNEY NUMBERS OR GET ME OFF DIALYSIS?
WILL THIS FIX MY KIDNEY NUMBERS OR GET ME OFF DIALYSIS?
We have to be straight with you, because you deserve honesty over hype.
Astera is a dietary supplement, not a drug or a cure, and it is not intended to diagnose, treat, cure, or prevent any disease.
What astaxanthin does is act as an antioxidant that helps your body manage everyday oxidative stress as part of a healthy routine. It is not a substitute for your medical care or your doctor's plan.
If you want to track how you feel over time, keep a simple log and review it with your provider.
HOW LONG UNTIL I NOTICE ANYTHING?
HOW LONG UNTIL I NOTICE ANYTHING?
Astaxanthin is a slow, cumulative supplement, not a stimulant, so don't expect a jolt on day one, and that's exactly how it should work.
Some people notice subtle shifts like steadier daytime energy within the first few weeks.
The window most people care about is around 8 to 12 weeks of consistent daily use.
That's the whole reason we sell the full protocol rather than a token 30-day pouch: one month can't show you what the research measured over 8 to 12 weeks. Consistency is the active ingredient.
HOW OFTEN DO I TAKE IT?
HOW OFTEN DO I TAKE IT?
One softgel a day, with your largest meal.
Because astaxanthin is fat-soluble, taking it alongside food that contains some fat (eggs, avocado, olive oil) helps your body absorb it.
Anchor it to something you already do every morning and you'll never have to remember.
WHY IS IT A 120-COUNT BAG? THAT SEEMS LIKE A LOT.
WHY IS IT A 120-COUNT BAG? THAT SEEMS LIKE A LOT.
Because one bag is one complete protocol, a full 4-month supply.
Astaxanthin works over 8 to 12 weeks, so 30 days' worth would run out before you reached the point that matters, leaving you judging it on a test it was never designed to pass.
The 4-month supply carries you through the full window, with enough to reach your next check-in.
It's also why the per-day cost works out to less than a cup of coffee.
ARE THERE ANY AGE OR HEALTH RESTRICTIONS?
ARE THERE ANY AGE OR HEALTH RESTRICTIONS?
Astera is formulated for healthy adults and is vegan, gluten-free, and non-GMO.
It does contain astaxanthin derived from microalgae, which may carry trace amounts of shellfish, so keep that in mind if you have a shellfish allergy.
If you're pregnant, nursing, under 18, managing a diagnosed condition, or taking prescription medication, check with your healthcare provider first.
WHAT IF IT DOESN'T WORK FOR ME?
WHAT IF IT DOESN'T WORK FOR ME?
Then you don't pay for it.
You're covered by our 90-day money-back guarantee, which covers almost your entire first protocol.
Take it consistently, review how you feel, and if you're not satisfied, contact us for a full refund.
We can offer that because we'd rather earn a customer for years than pressure you into one sale. The risk is ours, not yours.
WHAT IS YOUR RETURN POLICY?
WHAT IS YOUR RETURN POLICY?
Simple and friction-free.
If you're not happy within 90 days of delivery, email us and we'll refund your first bag. No runaround, no restocking games.
One honest email is all it takes. We keep it easy on purpose, because a company confident in its product has no reason to make refunds hard.