Our sourcing standards are rigorous, and we work only with top-tier ingredient providers. All of our raw-material suppliers adhere strictly to Good Manufacturing Practices. We seek out the most bioavailable vitamins, minerals, and nutrients with the highest concentration of bioactive compounds and phytochemicals for maximum efficacy. The combination of multiple synergistic supplements, taken morning and evening, results in the most powerful daily supplement you can take. Gulp upholds an uncompromising commitment to formulation excellence and product quality. Gulp is manufactured in an NSF certified, Good Manufacturing Practice (GMP) compliant facility. We always maintain comprehensive batch manufacturing records to ensure the traceability of the final product through rigorous analytical and microbiological testing. Our stringent protocols encompass independent audits, meticulous formulation precision, accurate label claims, and robust safeguards against contaminants. Every batch of Gulp Vitamins is rigorously tested at Eurofins, a renowned ISO/IEC 17025 accredited laboratory, the industry leader in the analytical assessment of dietary supplements. Our comprehensive testing protocol encompasses various parameters, including potency, purity, mold, mycotoxins, yeast, allergens, heavy metals, and pesticides. This stringent testing is performed at the time of manufacturing and again when it's packaged to ensure the highest quality and safety. Certificate of analysis (COA) is available upon request. Collaborating with leading researchers, functional medicine doctors, and health experts, Gulp embarked on a mission to create the world's most scientifically-backed, nutritionally comprehensive multivitamin supplement. Dr. Stuart Porter, D.O., heads Gulp’s medical advisory board, boasting over two decades of expertise in functional medicine. Our committed team of experts, under Dr. Porter's guidance, rigorously evaluate third-party research, scientific data, ingredients, and formulations to ensure the safety and efficacy of our products.