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Immune & Energy Support

One preparation, one daily dose, whatever you take it for.

$250per 30-day protocol · two 30 ml applicators · $199 on a one-year subscription · free DHL from three applicators

The stable metabolites of the 3-million-year-old Bacillus F organism, cold-processed into precise daily drops for cellular resilience and antioxidant defense.

Best for: NMN-experienced longevity buyers, biohackers tracking biomarkers, professionals 35–65.
  • Postbiotic, no live bacteria
  • 2 ml daily · two presses · sublingual
  • Two 30 ml applicators per 30-day protocol
  • Freezer unopened, fridge once open
  • Nothing to prepare
  • Patent WO2012060729
Bacillus F sublingual applicator pen set into crushed glacial ice with cold vapour rising around it. The longevity postbiotic supplement by Bacillus F OÜ, Tallinn, Estonia.
Key takeaways
  • Immune & Energy Support: Daily immune resilience and steady energy. The same drops, taken for defense.
  • A postbiotic: the stable metabolites, not live bacteria. Same on day one as on day thirty.
  • Derived from the Bacillus F strain, patented as WO2012060729 with five national patents.
  • Liquid drops: 2 ml daily (two 1 ml presses), sublingual, two 30 ml applicators per 30-day protocol.
  • Sits alongside NMN and spermidine rather than replacing them. It works on oxidative-stress defense, a different mechanism.

About the formulation

This page is for the person whose daily concern is defense and steadiness, getting through demanding seasons in one piece, rather than a longevity metric. Same preparation, seen through that lens.

Immune support and energy support are usually sold as separate categories with separate products. In terms of cellular resilience, they aren't separate. Immune cells are metabolically hungry and work in oxidative surroundings, and how energetic you feel tracks mitochondrial function, sleep and recovery far more than any single supplement.

Rather than build two pages implying two mechanisms, this one describes the single preparation as it is, including, further down, exactly what it won't do.

How it works

The protocol doesn't change: 2 ml daily, two presses, sublingual, morning, cumulative rather than acute. There is no immune-specific dose and no energy-specific timing, because no separate mechanism is being claimed.

On immunity our position is deliberately narrow. We do not claim this preparation boosts immune function, shortens illness or prevents infection. Those are medical claims, and they need clinical evidence we don't have and won't pretend to.

On energy we are just as plain: it isn't a stimulant, contains no caffeine, and won't give you a lift. If you want to feel something within the hour, this is the wrong product, and better you know now than after the first applicator.

If you came here from an immune or energy search and this page has talked you out of buying, that is a fair outcome and we aren't going to soften it. The things that reliably help immune function are sleep, vaccination where indicated, and eating properly. The things that reliably help energy are sleep, iron and thyroid panels where symptoms call for them, and training. A supplement sits a long way behind all of those.

Specifications

FormatSublingual applicator pen, clear cartridge with measured-dose tip
Active fractionCell-free Bacillus F metabolite complex (postbiotic)
Daily dose2 ml (two 1 ml presses), sublingual, morning
Protocol length30 days per protocol (two applicators) · 90 days recommended before re-testing
StorageFreezer until opened, fridge once open
OriginFermented & bottled in the EU · strain from Yakutia permafrost
DocumentationPatent WO2012060729 · deposited genome sequence
Bacillus F sublingual applicator pen standing on a white laboratory bench beside a glass petri dish, with a microscope and a rack of test tubes softly out of focus behind it. longevity postbiotic supplement by Bacillus F OÜ, Tallinn, Estonia.
Two Bacillus F sublingual applicator pens standing upright in a refrigerator door shelf next to a bottle of milk and a jar of olives — the open-applicator storage the protocol asks for. longevity postbiotic supplement by Bacillus F OÜ, Tallinn, Estonia.

Compliance & standards

The strain and its applications are covered by international patent WO2012060729 plus five national patents, and the organism is sequenced and deposited, so every batch comes from the same defined organism. The patent scans and the comet-assay imaging are published openly on the Science page.

Marketed as a dietary supplement, not a medicine. Statements have not been evaluated by the FDA.

What to expect

Expect no lift. No caffeine, no stimulant fraction, nothing that does anything inside an hour. If that is what you were shopping for, this page has just saved you $250.

Expect instead a documented daily input with a scope we are willing to put in writing: one preparation, one mechanism, folded into a broader routine. What it won't do is listed as plainly as what it is, because a brand that only publishes the flattering half has told you something about itself.

Use cases

  • Readers arriving from immune or energy searches who want a plain explanation of what this is and isn't.
  • Consolidators replacing several single-purpose supplements with one documented preparation.
  • Seasonal routine builders after something sustainable rather than something acute.

Not sure where it fits? Start with Bacillus F vs NMN, our most-read comparison.

Available in your country
Postbiotic drops · United StatesPostbiotic drops · United KingdomPostbiotic drops · CanadaPostbiotic drops · JapanPostbiotic drops · GermanyPostbiotic drops · FrancePostbiotic drops · SpainPostbiotic drops · EU-wide

Frequently asked

Probiotics are live organisms that have to survive digestion and settle in the gut. A postbiotic skips that: you take the finished metabolites, so the dose is consistent and nothing has to stay alive. Same organism, far more predictable.

Yes. Bacillus F works on oxidative-stress defense, NMN on NAD+, spermidine on autophagy. Three separate mechanisms. Plenty of customers run all three; the comparison guides in Learn go through it.

How it feels varies from person to person, so judge it by numbers. Take a baseline biological-age or oxidative-stress panel, run 90 days, re-test. The protocol is built around that rhythm.

The fermentation runs are small and every batch has to pass before it is released. Monthly capacity is capped, so we confirm availability for your country before charging anything.

Flagship
Postbiotic Supplement
The core Bacillus F formulation: stable metabolites in daily drops.
Explore →
Category
Longevity Supplements
Healthy-aging support built on a 3M-year-old organism.
Explore →
Defense
Antioxidant Supplements
Oxidative-stress defense, measured by comet assay.
Explore →

Start your 30-day protocol

Limited monthly batches. We confirm availability for your country within 48 hours.

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