Myoviridae LH01
A specific bacteriophage strain that targets harmful gut bacteria. Part of the PreforPro phage blend. Evidence is mixed, so set expectations accordingly.
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Verdict
5/10 Mixed
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Evidence
Grade B / 100+ Studies
Norans Kepals, Independent Researcher & Supplement Expert
March 1, 2026
The No-BS Summary
8 things. 60 seconds. Everything you need.
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WHAT IT DOES
A specific bacteriophage strain that targets harmful gut bacteria. Part of the PreforPro phage blend.
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DOES IT WORK?
Results vary. This is one of four bacteriophage strains in the PreforPro blend. Myoviridae are a family of tailed bacteriophages that infect and lyse specific bacteria. The concept of using phages to improve gut microbiome composition is scientifically sound and has some clinical support as part of the PreforPro blend. Individual strain data is limited.
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HOW MUCH TO TAKE
15 mg as part of PreforPro blend
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COST
Mid-range. $35-50/month. Standard for most people.
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FIRST 24 HOURS
You might notice something within hours.
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AFTER A FEW WEEKS
Most people notice something by week 2-3.
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SAFETY
Few things to check: individual strain not studied in isolation, bacteriophage therapy is still emerging. Worth mentioning to your doc.
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HOW IT FEELS
Effects vary person to person. Give it time.
2The Breakdown
Quick Answers
Dose-Response Curve
How effective is myoviridae lh01 at different doses? Here's what the research shows.
Effectiveness %
0
25
50
75
100
MIN 15mg
SWEET SPOT 15mg
PLATEAU 30mg
Dose (mg)
0-80%
Sub-therapeutic
<15mg
80-80%
Effective
15mg-15mg
~80%
Optimal
15mg
80%
Diminishing
>30mg
Moderate confidenceBased on clinical data + estimates
Source: Gindin et al., 2019 (PreforPro blend study)Bottom line: Most research uses 15mg daily. Below 15mg, you're probably wasting money. Above 30mg, you're not getting extra benefit.
Dosing Guide
When
As directed
How
15 mg as part of PreforPro blend
Food
With or without food
Onset & Feel
INSTANT
Effects vary
Effects vary person to person. Give it time.
Cycle
As needed
How to Take It
Myoviridae LH01 comes in several formats. Pick what fits your lifestyle.
Capsules/Tablets
Pre-measured doses, easy to take.
✓ Convenient✓ No taste✓ Portable✗ More expensive✗ May need multiple
Powder
Mix with water or a shake.
✓ Cheapest✓ Flexible dosing✗ Needs mixing✗ Taste varies
Softgels
Oil-based for fat-soluble nutrients.
✓ Better absorption for fats✓ No taste✗ Larger pills
Pick this:
Capsules for convenience, powder for value.
Skip this:
Check for unnecessary fillers and additives.
Delivery affects convenience and cost, not usually effectiveness.
Did you know?
Many studies and counting.
Heads Up
Generally safe at recommended doses. Talk to your doc if you have concerns. Check with your doc if: Individual strain not studied in isolation, Bacteriophage therapy is still emerging.
3Deep Dive
The Science, Simplified
For those who want the full picture
Myoviridae LH01 has emerging evidence.
Trust Signals
Grade B
Evidence
50+
Studies
30
Human Trials
0
Meta-analyses
👍 Strong evidence. Most claims hold up under scrutiny.
Mechanism of Action
Bacteriophages in the Myoviridae family have contractile tail sheaths that inject DNA into target bacteria, causing lysis (cell death). This selectively reduces populations of specific harmful bacteria, creating ecological space for beneficial microbes to colonize.
Research Summary
Scientific consensus: undefined/10.
Consensus: /10LIMITED Evidence
Origins & Manufacturing
Where does myoviridae lh01 come from? Let's get nerdy.
How It's Made
Manufacturing process varies by supplier.
What to Look For
✓ Third-party tested✓ GMP certified
Drug & Supplement Interactions
4For You
Is Myoviridae LH01 right for YOU?
Get a personalized verdict based on your health profile.
Products with Myoviridae LH01
Supplements that contain this ingredient
Medical Disclaimer
This content is for informational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting any supplement regimen, especially if you have medical conditions or take medications. ARE Supplements does not endorse any specific products.