So โprebiotic = more estrogen recyclingโ is too thin.
Measurable levers:
epigenetic (butyrate โ ESR2)
inflammatory (LPS โ TLR4)
Full report:
https://t.co/mkmd9T5H4k
Not nostalgia.
Rural cohorts looked different at the same serum E2 โ and one generation of soda + industrial tortillas can erase that buffer.
Lua Labs L1.4
https://t.co/jZpMXzZ1J5
L. plantarum in pulque, pozol, tejuino, tepache runs ฮฒ-glucosidase โ unlocking plant lignans into ERฮฒ-selective aglycones.
Nixtamal resistant starch โ butyrate โ turns up ESR2. Same serum E2. More sensitivity.
Benayoun et al. (2026, Nature Aging) gave young mice the gut microbiota of estropausal mice.
Ovarian function improved. Every recipient with that microbiome produced offspring.
As ovaries age, a healthy estrobolome ramps up estrogen signaling โ a low-potency second ovary.
Short-chain fatty acids from gut bacteria partly rescue it.
Miss the early colonization window, and the reserve stays compromised for life.
Lua Labs L1.3
https://t.co/O1b1ZOEhHQ
Germ-free mice (no microbiome) start with a normal ovarian reserve.
Then they lose about half their eggs, half their litters, and half their reproductive lifespan.
Thatโs biological damage โ structural โ not just worse symptoms.
Same molecule that became the active principle of an FDA-approved postpartum depression drug.
Different pathway: cortisol in bile โ progestins in the gut.
Lua Labs L1.2
https://t.co/QKaJ4stWJ2
Eggerthella lenta and Gordonibacter pamelaeae turn biliary cortisol into progesterone and allopregnanolone.
They need hydrogen from other gut microbes to run it.
In late pregnancy, fecal allopregnanolone jumps ~100ร โ and tracks with these taxa.
Lua Labs calls this the progesterobolome. Same neighborhood as the estrobolome. Different enzyme. Different hormone.
Lua Labs L1.2
https://t.co/QKaJ4stWJ2
Your liver ships used progesterone out in bile as sulfates.
Gut bacteria unpack them. Parabacteroides is one of the few genera with the sulfatase toolkit to do it.
Without that step, the sulfates leave in feces. The recycle dies.