9 reasons why 100,000 people already feed their intestines daily with plankton (algae)

Plankton from plnktn provides your gut daily with what it has been missing for years: Algae. The most powerful plant category on Earth, now more appealing than ever.

15,000+ daily users15,000+ daily users
Cultivated in EuropeCultivated in Europe
For gut, skin, and energyFor gut, skin, and energy
100% pure100% pure
1. Many complaints start at your core

1. Many complaints start at your core

Many people eat healthily. They sleep reasonably well. They exercise. And yet, they don't feel the way they'd like to.

  • Bloated after eating
  • Tired for no good reason
  • Fluctuating skin condition
  • Energy slump after lunch

Sound familiar? These kinds of complaints rarely start where you expect them to. They often begin in your gut. Your gut is more than a digestive organ. It controls your immune system, your mood, and your energy. And what goes wrong in your gut is visible in your skin. Researchers have been pointing to algae for years as part of a natural solution with great potential in the field of gut health.

2. Almost everyone lacks diversity

2. Almost everyone lacks diversity

The more different plants you eat per week, the healthier your gut microbiome. Scientists have known this for years. The norm: 30+ types per week. The reality: most people only manage 10-15 – partly due to a diet of increasingly processed foods.

And the best possible supplement is practically nowhere to be found:

  • ✅ Vegetables & fruits
  • ✅ Nuts, kernels, seeds
  • ✅ Grains
  • ✅ Legumes
  • ❌ Algae (& seaweed)

Not only the oldest, but possibly also the most complete and nutritious category is missing from almost everyone's diet.

McDonald et al. (2018), Cell Host & Microbe — American Gut Project, 10,000+ participants.

3. Why Algae Are an Exceptional Food

3. Why Algae Are an Exceptional Food

Nature has spent billions of years developing the most efficient food factory in the world. Algae are the result.

  • Algae consist of approximately 50% protein — one of the highest percentages of all unprocessed food sources.

  • They are rich in the nutrients that the Western diet often lacks: fiber, minerals, and healthy fatty acids.

  • They grow up to 10 times faster than an average land crop and demand very little from the planet.

But perhaps even more remarkable: they contain bioactive substances that are found almost nowhere else in nature:

  • Phycocyanin — the blue pigment in spirulina, the subject of extensive antioxidant research.

  • Fucoidan — a rare fiber from seaweed that is being investigated for its possible prebiotic properties.

  • Polysaccharides — unique fibers that can serve as a substrate for gut bacteria.

  • Chlorophyll — the green pigment, research on which indicates a role in the large intestine.

Algae are food. But precisely because they are so exceptionally nutrient-dense, they are perhaps the most complete supplement available, and entirely natural to boot.

4. Algae as a prebiotic, potentially better than the market standard?

4. Algae as a prebiotic, potentially better than the market standard?

Prebiotics are the nutrients that allow good gut bacteria to grow. The best known are fructooligosaccharides — FOS — found in onions, garlic, and most prebiotic supplements on the market.

Scientific laboratory research shows that algae can have impressive prebiotic properties.

In an in-vitro fermentation study, digested algae had a higher prebiotic index than FOS: 8.51–10.10 versus 4.67 after 48 hours of fermentation. Algae also stimulated the growth of Lactobacillus, Enterococcus, and Bifidobacterium — three beneficial bacterial strains — in this study.

Niccolai et al. (2021), Algal Research sciencedirect.com/science/article/abs/pii/S2211926421003660. Laboratory research; individual effects in humans may vary.

5. Calcium for digestive enzymes

5. Calcium for digestive enzymes

In addition to all the bioactive compounds, plankton also makes one of the most direct contributions to your digestion: calcium.

Calcium plays a recognized role in the normal function of digestive enzymes – the proteins that break down food so that your body can absorb nutrients. Without sufficient calcium, they function less effectively.

The calcium in plankton comes from Lithothamnium – a plant-based, marine source. Not synthetic calcium carbonate, but calcium as it occurs in nature, with the minerals that support absorption. EFSA approved health claim (Regulation EU No. 432/2012)

6. Four algae, each with their own contribution

6. Four algae, each with their own contribution

There are hundreds of thousands of algae species. Plankton is a carefully curated blend of the four most nutritious and researched species, each with a specific role.

Chlorella — rich in fiber, source of bioactive compounds and chlorophyll. Contains unique polysaccharides that are being researched for their effect on beneficial gut bacteria.

Spirulina — the most researched microalga in the world. Contains phycocyanin with antioxidant properties and is being studied for its prebiotic action and support of the intestinal wall.

Wakame — contains fucoidan, a rare fiber found almost exclusively in seaweed. Subject of research into prebiotic activity and immune modulation.

Lithothamnium — a calcareous red alga, rich source of natural calcium and minerals. Calcium contributes to the normal function of digestive enzymes.¹ The combination provides a broader nutritional matrix than each individually — fibers, pigments, polysaccharides and bioactive compounds that work together, as nutrients in their natural context always have.

¹ EFSA approved health claim: Calcium contributes to the normal function of digestive enzymes (Regulation EU No. 432/2012)

7. Supporting the core of your health for €1 a day

7. Supporting the core of your health for €1 a day

A good cappuccino costs on average €4. Plankton, with a subscription, costs you less than €1 per day. For that amount, you daily add the plant category that almost no one has in their diet — four algae species that together provide something that individual supplements cannot.

Health is an investment, not an expense.

Proactively taking good care of yourself is demonstrably smarter than reacting when something is already wrong. Your intestines are the core of your energy balance, your immune system, and your skin. Feeding them daily with what they truly need is one of the most concrete choices you can make for your long-term health.

And you pay less for it than your daily coffee.

8. Grown in Europe — and why that's not a minor detail

8. Grown in Europe — and why that's not a minor detail

Algae grow without agricultural land, pesticides, fertilisers or freshwater waste. The FAO identifies them as one of the most sustainable food sources in the world.

But not all algae are created equal. This is what most brands don't mention.

The problem with Asian algae

The vast majority of algae on the supplement market comes from China, Taiwan or Vietnam. Algae are biological filters – they absorb what is in the water. In areas with industrial pollution and insufficient regulation, this poses a real risk of heavy metals: lead, cadmium, arsenic, mercury. European consumer surveys and tests by independent laboratories have found concentrations in Asian algae products that exceeded safety thresholds. As a consumer, you rarely know where the algae come from and how they have been tested.

Why Plankton from plnktn is different

Plankton is exclusively cultivated in Europe, in controlled cultivation systems in the Netherlands, France, Spain & Iceland. Each batch is tested for heavy metals, microbiological safety and nutritional value – in accordance with European food legislation. Transparent from grower to capsule.

FAO (2020). EFSA Journal (2018), Safety of dried Aphanizomenon flos-aquae.

9. The difference with other supplements

9. The difference with other supplements

The gut supplement market is growing rapidly, as is the amount of nonsense. Brands all promise the same thing. Yet, more and more people are choosing plankton. Here's why:

Probiotics — the problem with adding bacteria

Probiotics are live bacteria that are supposed to strengthen your microbiome. It sounds logical, but there's a fundamental problem: the specific bacteria your microbiome needs are different for everyone. Your microbiome is as personal as a fingerprint — what works for one person does nothing for another.

Moreover, if you add bacteria to an ecosystem without nourishing it, they won't survive long. Prebiotics — the nutrients your own bacteria thrive on — are the more fundamental step.

Plankton itself does not add bacteria, but creates space for the right bacteria to flourish.

Greens blends — the illusion of completeness

Greens blends present impressive ingredient lists: dozens of vegetables, herbs, adaptogens, vitamins, minerals. But behind these lists lies a pitfall: quality.

Many of these ingredients are cheap vegetable extracts, fillers, and synthetic vitamins that fill the label but make no substantial difference. The result is a complex product that claims a lot but delivers little concrete benefit.

Plankton does it differently: four ingredients with unique properties in the nutritional world: algae. And each and every one of the highest quality. Researched for their specific contribution. No fillers, no synthetic additives, no endless list that creates the impression of quality without delivering it.

What plankton DOES do

Plankton does not give you a greens blend or probiotics. It gives you something you actually lack: the only plant category almost completely absent from any Western diet.

Four pure algae. Nothing more.

PLANKTON
Green blend
Probiotics
Ingredients
4 algae
20–70+ ingredients
1–30 bacterial strains
Transparency
Fully transparent — you see exactly what's in it
Often proprietary blends
Stems visible, dosage sometimes not
Mechanism of action
Prebiotic + dietary diversity
Varies per ingredient
Depending on personal microbiome
Synthetic additives
None
Often vitamin/mineral complex
Sometimes fillers
Scientific basis
Research per algae + synergy
Broad but diffuse
Strain-dependent

PLANKTON FROM PLNKTN

Plankton from plnktn provides your gut daily with what it has been missing for years: Algae. The most powerful plant category on Earth, now more appealing than ever.

Chlorella, Spirulina, Wakame, Lithothamnium Chlorella, Spirulina, Wakame, Lithothamnium
75+ nutrients from 4 European algae 75+ nutrients from 4 European algae
Prebiotic fibers, polysaccharides, bioactive pigments Prebiotic fibers, polysaccharides, bioactive pigments
Calcium for normal digestive enzymes (EFSA claim) Calcium for normal digestive enzymes (EFSA claim)
100% plant-based — no animal or synthetic ingredients 100% plant-based — no animal or synthetic ingredients
European cultivated, tested for heavy metals and safety European cultivated, tested for heavy metals and safety
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A glimpse into the world of plnktn

The faces behind plnktn — from team to community.

Collapsible content

When will I see results?

Individual experiences vary. Most users report a difference after 2–4 weeks of daily use. Consistency is key. Food supplements are not a substitute for a varied diet and healthy lifestyle.

Isn't 4 capsules a day a lot?

4 capsules are 2 grams of sea vegetables in capsule form. Less than a teaspoon. In a Japanese restaurant, you effortlessly eat 20 grams of seaweed. The only difference: this is in a capsule and you don't have to prepare anything.

Is it also suitable for children?

Plankton has been developed for adults. For children, we recommend consulting a doctor first.

Can I combine it with other supplements?

Yes. If using medication: always consult a doctor or pharmacist.

Can I cancel the subscription?

Anytime, without notice. Through your account or by email.

Is it really 100% plant-based?

Yes. No fish oil, no gelatin, no animal ingredients. Suitable for
vegans and vegetarians.

Why not just buy Asian algae — it's cheaper, isn't it?

Algae are biological filters that
absorb what is in the culture water. In areas with insufficient
quality control, the risk of heavy metals is real. European products
are subject to strict food legislation and are tested per batch. For
supplements you take daily, origin is not a detail.