Peptides that are antitumor or anticancer can be plant-derived, such as Ganoderma lucidum polysaccharide peptide (Gl-PP), which is anti-angiogenic [23], or animal-derived, such as atrial natriuretic peptide [24]
doi:10.1159/000053183 Heffernan M, Summers RJ, Thorburn A, et al
It can be sterile water (no preservative, single use) or bacteriostatic water (with preservative, multi-dose), so not all reconstitution water is bacteriostatic.
They skip the stomach and go straight into the blood
Individual responses to compounds can vary, and potential interactions with medications, pre-existing conditions, or other supplements should be evaluated by a qualified professional