Synthetic peptides for the treatment of promoting weight loss, boosting hormone levels, accelerating injury recovery, improving skin health, and managing chronic pain; Dietary and nutritional supplements; Nutraceuticals for use as a dietary supplement; Nutraceuticals for use as a dietary supplement for diabetes, heart disease, inflammation, obesity, gastrointestinal/kidney disorders,; Testing kits comprising peptide substrates used in analyzing and detecting certain toxins for medical purposes