DSIP Nasal Spray | Verdict Longstanding research indicates that DSIP for research purposes is best administered via nasal spray or subcutaneous injection (sub-Q)
VASCULAR GROWTH & BLOOD VESSEL STIMULATION
This cooperative relationship helps ensure that your body has the resources it needs for both daily maintenance and more demanding tasks, like recovering from a strenuous workout or supporting the immune system during seasonal changes
This is good because dietary supplements (and AG1 qualifies as one) are often adulterated or contaminated, as they are not held to the same regulatory standards as pharmaceuticals
It's an ambiguity acknowledged by the review's authors, who state that more research is needed to clarify optimal amounts and to identify "sub-groups of individuals most likely to respond to particular nutrients or foods." Speaking with a doctor is your best first-line action to determine whether you could benefit from swapping dietary glutathione for a supplement, or vice versa
However, injection-based use carries important concerns, including sterility, contamination risk, uncertain dosing, and lack of regulatory oversight