Other immune-boosting supplements
Any misstep in the mixing process can degrade the peptides, alter their concentrations, and ultimately render an entire experiment's data useless
Supplements for Immunity and General Physiological Functioning Vitamin D3 + K2 Joe Rogan reportedly takes 5,000 IU of vitamin D3, paired with vitamin K2, daily
Erickson, Squamous Cell Carcinoma - Similarities and Differences among Anatomical Sites., Am
Vitamin D status in endometriosis: a systematic review and meta-analysis
Those descriptions tell you something about the ingredient or delivery system, but they do not by themselves prove that one finished product will outperform another