Coming soon
LYVA Flex
A daily formula for the gut-joint axis. Formulated around the biology that protects cartilage — for the window before damage becomes irreversible.
What it is
Formulated for the window medicine hasn't entered
LYVA Flex is a daily formula targeting the gut-joint axis — the biological connection between your gut microbiome and cartilage health, now established by research published in Science and Nature Communications.
Designed for women in their 40s and 50s who are in the window before clinical diagnosis — when the mechanisms that protect cartilage are quietly declining, and conventional medicine has nothing to offer.
The formula
Eight ingredients. Two mechanisms. One coherent product.
Every ingredient maps directly to a pathway identified in peer-reviewed research. Nothing added for marketing.
Berberine
Supports gut microbiome composition and bile acid metabolism. Directly inhibits NF-κB — the signalling pathway shown to drive cartilage-degrading enzyme production.
Boswellia serrata (AKBA)
The most specific plant-derived IKKβ inhibitor. Targets the signalling pathway that, when active, drives MMP-3 and MMP-13 — the enzymes that physically break down cartilage matrix.
Curcumin (phosphatidylcholine complex)
NF-κB inhibition with extensive published evidence. Delivered as a phosphatidylcholine complex — standard curcumin powder is largely inactive in the body.
L-Glutamine
Gut barrier integrity. Reduces LPS translocation into the bloodstream — the mechanism by which a leaky gut activates NF-κB and suppresses the SHP protein that protects cartilage.
Prebiotic blend
Selective substrate for bile acid-producing gut bacteria, including the species whose depletion was linked to osteoarthritis progression in a 2025 Science study.
Artichoke leaf extract
Supports bile acid production and flow — targeting the gut FXR-GLP-1 axis through which gut-derived signals reach and protect joint tissue.
Quercetin
Dual action: supports tight junction integrity in the gut barrier and inhibits NF-κB. Bridges both the upstream microbiome and downstream joint-protection pathways.
Zinc
Structural support for intestinal tight junctions. An EFSA-recognised nutrient with a clear mechanistic role in gut barrier maintenance.
The research
Built around peer-reviewed biology
LYVA Flex is formulated around two independent research papers published in Science and Nature Communications in 2025–2026, and a field consensus review in Nature Reviews Rheumatology. The complete pathways, references, and mechanistic rationale are on our Science page.
Read the science →Founding members
Be first when we launch
Join the waitlist for founding member pricing, early access, and updates as LYVA Flex moves through formulation and production.
Join the waitlist →Important notice
This content is for educational purposes only and does not constitute medical advice. LYVA products are food supplements and are not intended to diagnose, treat, cure, or prevent any disease. Consult your doctor before taking any supplement.