partiQlar
partiQlar is a US-based supplement company selling single-ingredient, third-party-tested longevity and metabolic-health products, including NAD+ boosters, cellular-health compounds, and Pure Berberine HCL. The company says its name reflects being “extremely particular” about ingredient purity, avoiding proprietary blends and unnecessary fillers, with products manufactured in FDA-registered, NSF-certified, GMP-compliant US facilities and third-party Certificates of Analysis available per batch. partiQlar markets its Pure Berberine HCL capsule (600mg, 97% purity) for blood sugar and metabolic support. The brand’s own product collection also lists this same item under the titles “Natural GLP-1 Booster (Berberine)” and “Berberine Weight Loss Supplement.”