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Rx B12 is recommended as an oral supplement to increase B12 levels
This type of therapy can help to address nutrient deficiencies, boost energy levels, and immune function
e1e9 Wegmann M, Fehrenbach H, Fehrenbach A, Held T, Schramm C, Garn H, Renz H 2005 Involvement of distal airways in a chronic model of experimental asthma
Some adopt a 5 days on, 2 days off weekly schedule as an alternative to full breaks