Even subantimicrobical dose, improves bone quality .
And apparently minocycline is the best tetracycline. But doxycycline is also interesting.
Effects of tetracyclines on bones: an ambiguous question needs to be clarified. - PubMed - NCBI
Effects of tetracyclines on bone metabolism. -...
LRP5 - Wikipedia
im so interest to find any info on how increase Lrp5(it strongly inhibit gut serotonin release) , only thing i found that upregulates the synthesis of it is vitamin D, and also Cholesterol.
but who knows, maybe serotonin lowering effect of salt works through this pathway...