& Nordestgaard, B
There is a theoretical increased risk of medullary thyroid cancers, but its not clear how likely this is to actually happen in people, says Fishman, who along with Vash stresses that the link has only ever been studied in animals
However, for those with mild dietary deficiencies and intact absorption mechanisms, high-dose oral tablets can often be sufficient, albeit with potentially slower results
L-BHB supports extended energy availability and metabolic signaling
Extra caution is appropriate in patients with active cancer, recent cancer, unexplained masses, unexplained weight loss, pregnancy, breastfeeding, known allergy to peptide products, active infection, immune compromise, significant liver or kidney disease, active inflammatory or autoimmune disease flares, unusual clotting history, uncontrolled cardiovascular disease, use of chemotherapy or immune-modifying biologic therapy, and competitive athletes subject to anti-doping rules
At Perfect B, the protocol runs three months on and two months off