However, several species, depending on the strain, produce moderate volatile acidity, some of them (e.g., Hanseniaspora vineae Hv) even lower than Sc (del Fresno et al., 2021a)
They are research-use only and not FDA-approved, so any decision to use them should follow consultation with a qualified clinician and a comprehensive plan including rest, physical therapy, and nutrition
What alternatives exist that have a more established evidence base
While subcutaneous injection into the lower limbs may be possible, it is generally not recommended as a preferred injection site due to the possible complications involved including tissue damage and injection site reactions: The skin in the lower limbs is typically thinner and more sensitive than other parts of the body, which can increase the risk of pain, bleeding, and infection