No tolerance development to the lipolytic effects was noted in these studies, suggesting that unlike beta-2 agonists (which rapidly desensitize their receptors), beta-3 receptor activation may not produce the same downregulation pattern
The actual chemistry of reconstitution is not affected by altitude
The problem surfaced at the hearing
Side Effects & Safety No lethal dose found -- toxicology studies couldn't establish an LD50 (Sikiric et al., 2006) No organ toxicity in chronic dosing No hormonal effects -- doesn't affect testosterone, estrogen, cortisol, or GH Mild nausea -- mostly with oral dosing Brief lightheadedness -- occasionally after injection Injection site redness -- standard for SC peptides Angiogenesis concern -- promotes new blood vessel growth, which raises a theoretical question about existing tumors
It is important not to self-treat with high-dose B12 supplements before seeing your GP if you suspect deficiency, as this can interfere with diagnostic blood tests and potentially mask underlying conditions such as pernicious anaemia