These steps are worth pursuing independent of any trial enrollment
Your GP can perform a physical examination of your neck and determine if standard NHS blood tests are appropriate
Good value and no surprises
The differential effects of recombinant brain natriuretic peptide, nitroglycerine and dihydralazine on systemic oxygen delivery and gastric mucosal microvascular oxygenation in dogs
While the effects of some constituent compounds such as phyocyanin, chlorophyll, carotene, xanthophylls, flavonoids, vitamins, minerals etc., have been extensively studied there is still inadequate reports on specific mechanisms of action for all its therapeutic activities
The supplement also includes the black pepper extract BioPerine, which may further help with absorption