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The Starter Kit
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- 1 Sprouter + 8oz High-Sulforaphane Broccoli seed
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"This was so easy and fast. In 5 days we had beautiful and bountiful sprouts."
EXCLUSIVE TO THE SPROUTING COMPANY
The compound your cells use to defend themselves, grown fresh on your counter in 5 days.
Broccoli sprouts are the richest natural source of sulforaphane, the compound that activates Nrf2, your body's own cellular-defense pathway. Now you can grow them yourself for less than $1 a serving, in about 2 minutes a day.
Start growing →
Third-party verified potency
Backed by 25+ years of research
Seed to plate in 5 days, guaranteed
As Seen On
Ocean Robbins, CEO, Food
Revolution Network
Recommended by Food Revolution Network
“Approved 2 to 3 sentence quote from the partner, supplied by Food Revolution Network, not written in-house. ”
THE HARDWARE
The version of sprouting that actually works.
Most people who quit sprouting quit because it molded or rotted in a jar. The Sprouter is built to prevent that, and it takes about two minutes a day.
Airflow and full drainage stop the mold and rot that end most DIY sprouting.
The version of sprouting that actually works.
Most people who quit sprouting quit because it molded or rotted in a jar. The Sprouter is built to prevent that, and it takes about two minutes a day.
Airflow and full drainage stop the mold and rot that end most DIY sprouting.
It sits out on your counter, so the habit stays in front of you.
Works with all 12 of our seed varieties.
How it works
3 easy steps to your homegrown superfood.
1
Soak
Add seeds to the sprouter, cover with water, soak 8–10 hours (overnight).
2
Rinse
Rinse and drain twice a day. Watch sprouts emerge in 2–5 days.
3
Harvest
At 1–3 inches, rinse, dry, and pile them onto anything.
THE ADVISORY BOARD
Meet our Scientific Advisory Board
The people who guide our science are the same ones who've spent their careers studying it — led by Dr. Jed Fahey, who helped pioneer sulforaphane research at Johns Hopkins. You already know the compound. Now meet the experts behind it.
Dr. Jed Fahey
Head of Scientific Advisory Board
Nutritional biochemist, formerly of Johns Hopkins. Helped pioneer sulforaphane research.
Simon Hill
Scientific Advisory Board
Host of The Proof. Sat down with Dr. Fahey and our seed curator Doug Evans on why broccoli sprouts may be one of the most nutrient-dense foods you can grow at home.
Dr. Joel Fuhrman
Scientific Advisory Board
M.D. and author of Eat to Live. A longtime voice for nutrient-dense, plant-forward eating.
Cyrus Khambatta, PhD
Scientific Advisory Board
PhD in nutritional biochemistry, UC Berkeley. Co-founder of Mastering Diabetes and a leading voice in evidence-based, plant-forward nutrition.
THE SCIENCE
One compound. A quarter-century of research.
When you sprout our Organic High-Glucoraphanin Broccoli Seeds, they produce sulforaphane, one of the most studied compounds in nutrition science. It works by activating Nrf2, your body's own cellular-defense system.
Glucoraphanin
→
Sulforaphane
→
Nrf2 pathway
→
Your cellular defenses
The precursor becomes the compound the moment you sprout and eat it. Fresh sprouts bring
what your body needs to make the conversion.
01
How sulforaphane works
The switch that turns on your body's own defenses.
Your cells come with a built-in defense system governed by a protein called Nrf2. Most of the time it sits quiet. Sulforaphane activates it, signaling your cells to make their own antioxidant and protective enzymes. That is the difference between swallowing an antioxidant and growing one:
an antioxidant you take neutralizes a single molecule and it is gone, while sulforaphane supports your body in producing its own defenses, on its own schedule. Sulforaphane is not ready-made in the seed. It forms when you sprout, as glucoraphanin meets the enzyme myrosinase the moment a fresh sprout is chopped or chewed.
Mechanism
02
Where it starts: broccoli sprouts
One of nature's richest sources of the precursor to sulforaphane.
In 1997, Johns Hopkins researchers showed that three-day-old broccoli sprouts carry far more glucoraphanin, the precursor to sulforaphane, than mature broccoli. It's the study the whole field is built on. It's also why we grow the seeds we do: ours are selected for nutritional output, so a fresh harvest can deliver up to 100x more glucoraphanin than a head of store broccoli, grown by you, hours from your plate.
03
Measured in a clinical trial: everyday pollutants
Sprout-eaters cleared the pollutant benzene 61% faster.
In a 12-week randomized, placebo-controlled trial of 291 people, those who drank a broccoli-sprout beverage excreted the airborne pollutant benzene 61% faster than the placebo group. The effect appeared on day one and held for the full twelve weeks. It's the Nrf2 pathway, measured in real people, the body's own defense enzymes doing their work.
04
Measured in a clinical trial: healthy glucose metabolism
Concentrated broccoli sprouts supported healthy fasting glucose.
In a 12-week randomized, placebo-controlled trial, concentrated broccoli sprout extract was well tolerated and supported healthy fasting glucose, working through the same Nrf2 pathway. As with everything here, sprouts are food, at their best as part of a balanced diet. This is support for a healthy system, not a substitute for one.
05
The depth of the research
25+ years of study. Dozens of human trials.
Sulforaphane is one of the most studied compounds in nutrition science: more than 25 years of peer-reviewed research and dozens of registered human clinical trials, much of it out of Johns Hopkins. Dr. Jed Fahey, who helped pioneer this work, sits on our Scientific Advisory Board. The science didn't start with us. We just made it something you can grow.
107
µmol glucoraphanin per gram, third-party verified
3x
the sulforaphane of the competitive average seed we tested
100x
up to 100x the glucoraphanin of a head of store broccoli
Everyone knows vegetables are good for you. What is new is that the single most studied source of sulforaphane can now be grown on your counter, harvested fresh, and eaten hours later, by you, for less than $1 a serving.
Start growing
25% off your Starter Kit · seed to plate in 5 days
Loved for the taste. Trusted for the science.
★★★★★
"My family and I love our sprouter. It’s so easy to grow quick sprouts and very enjoyable to see the process all happen within a few days."
EL
★★★★★
"If you want to feel like a gardening wizard with minimal effort, this device is your new best friend! I love growing healthy food right in my kitchen!"
Jeremy B.
★★★★★
"Really happy to have finally started my sprouting journey - this kit makes it super easy to eat organic veggies!"
Susan R.
★★★★★
"I love broccoli sprouts and enjoy growing them rather than purchasing in the grocery store. My first time growing them was easy, fun and delicious!"
Patricia R
Get the Kit & Save 20% on your Sprouter + 1st bag
Then get seed refills monthly at 10% off
For easy measuring
Track all of your grows
Same seed. Same guarantee. Pick how often you want to grow.

One time purchase
The Starter Kit
Try it once. No subscription.

Subscribe & save 25% off your first order
The Daily Habit
You save $34.25
Then $33.29/mo for your 8oz seed refill. 10% off, always.
One fresh batch at a time, always stocked.

Subscribe & save 25% off your first order
The Continuous Harvest
You save $62.49
Then $44.99/mo for your 16oz seed refill. 10% off, always.
Two sprouters means you stagger your grows, so there is always a batch ready. For singles, couples, or families.
Every order comes with the same promise: seed to plate in 5 days or we make it right, plus a 1 year sprouter warranty.
See how it stacks up.
Freshness
Control
2 min/day
Errand
EFFORT
2 min/day
Minutes old
NUTRITION
COST/SERVING
Store veggies
Errand
Weeks old
Faded
None
COST / SERVING
$2-6
DIY sprouting
EFFORT
Fussy
FRESHNESS
If it works
If it works
If it works
COST / SERVING
Less than $1
Supplements
EFFORT
Easy
FRESHNESS
Not Fresh
NUTRITION
Isolated
None
COST / SERVING
$1-3
On everything
The kind of healthy you'll actually keep doing.
Salad
Grain bowl
Sandwich
Sulforaphane is the reason to start. Taste is why you keep going. Fresh sprouts are crisp and a little peppery, and they are good on almost anything: salads, grain bowls, avocado toast, tacos, soups, even a smoothie. And since you can grow different varieties, it does not get boring.
25% off for readers · cancel anytime
Seed to plate in 5 days — or we make it right.
Grow your first harvest within five days. If it doesn't happen, we'll make it right within 30 days. Your sprouter's covered by a 1-year warranty. The only thing you're risking is a little counter space.
A note from our founder
Hi, I'm Doug Evans.
Sprouting quite literally changed my life. I wrote The Sprout Book to share what I learned, and I started The Sprouting Company to make it easy for anyone to grow the most nutritious food on the planet, right on their kitchen counter. No farm. No experience. Just seeds, water, and five days.
Always Be Growing!
Good to know.
Okay, but do they actually taste good?
Yes, and honestly better than the sprouts at the store. They're crisp and fresh because you eat them minutes after picking.
I'll forget to keep up with it.
Two rinses a day — about 2 minutes total. Most folks fold it into making coffee. And a fresh batch is always five days out, so miss one, just start another.
Are sprouts safe to grow at home?
Yes. When grown properly, sprouts are as safe as any food, and our system is built for it. All our seeds are pathogen-tested (E. coli, Salmonella), the sprouter is dishwasher-safe for a clean grow, and the design dials in the airflow and drainage that prevent trouble.
Is this seed genetically modified?
No. Selective breeding over dozens of crop cycles, certified organic. Which by definition means non-GMO.
How's it different from a sulforaphane supplement?
A supplement gives you an isolated compound that can fade on the shelf. Fresh sprouts give you the whole living system — making sulforaphane as they grow and as you digest them.
Can I cancel the subscription?
Anytime, after a 2-refill minimum. We email you a self-service link — pause, skip, or cancel in seconds.
The most studied compound in nutrition. Grown by you.
Recommended by Ocean Robbins
Grow Easy Guarantee · third-party verified · ships to the US and Canada
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