What it is
Bifidobacterium longum R0175 is a specific probiotic strain, classified as a psychobiotic, designed to influence the gut-brain axis. It is formulated as a single-ingredient capsule for targeted use.
Supplement · Probiotic
Bifidobacterium longum R0175
5 billion CFU · vegan · gluten-free · 30 caps
difficulty-falling-asleeprestless-sleepdaytime-fatigue braingut
Affiliate link · we earn from qualifying purchases. No paid placements.
How it works
This strain modulates the gut-brain axis by influencing neurotransmitter production and reducing inflammation, thereby impacting mood and sleep regulation. Effects are typically observed within 1-3 weeks of consistent daily intake.
Who should take it
Adults looking to address difficulty falling asleep, restless sleep, daytime fatigue. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
Avoid / careful
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
Can Bifidobacterium longum R0175 be taken with other supplements?
Yes, it can be layered into a broader protocol, but consult your clinician if you are on prescription medications affecting similar pathways.
How long does it take to see results?
Noticeable improvements in sleep and calm are generally observed within 1 to 3 weeks of consistent daily use.
Are there any side effects?
Side effects are uncommon at recommended doses, but mild gastrointestinal upset may occur when first starting the supplement.
Research
6 studies · 2010–2024
Evidence grade
ABCD
C · C · emerging-to-moderate human evidence for sleep quality and relaxation
From the blog
Editorial notes
SacredBod's longer take on Bifidobacterium longum R0175 — context the structured blocks above don't capture.
About Bifidobacterium longum R0175
Bifidobacterium longum R0175 is a probiotic supplement used to support sleep quality and relaxation. Psychobiotic strain for anxiety and gut-brain. It is available in capsule form and dosed for adults in India and internationally. As a western-tradition entry in the SacredBod catalog, it is positioned as a single-ingredient option that can be used on its own or layered into a broader protocol. Bifidobacterium longum R0175 works through the mechanisms characteristic of its class — see the mechanism and research sections for detail. It primarily acts on the brain, nervous system, and effects are dose-dependent, typically becoming measurable within 1-3 weeks for noticeable sleep and calm. Consistency matters more than dose size for this category.
Evidence
Bifidobacterium longum R0175 carries an evidence grade of C in the SacredBod catalog, reflecting emerging human evidence for sleep quality and relaxation. Psychobiotic strain for anxiety and gut-brain. Benefits are cumulative rather than immediate, typically becoming noticeable within 1-3 weeks for noticeable sleep and calm, and individual response varies.
Dosing
A typical dose is 5 billion CFU, taken with food, usually in the morning. Start at the lower end, assess tolerance, and stay consistent; more is not automatically better.
Cautions
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
Who it’s for
Adults looking to address difficulty falling asleep, restless sleep, daytime fatigue. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
As part of the Probiotic category, Bifidobacterium longum R0175 can be used on its own or layered into a broader protocol — see the Goes with panel for evidence-aligned pairings.
Added to your stack.