Light Labs through the lens of brands and manufacturers.

A practical GLP vs GMP guide for food, supplement, laboratory, and quality teams deciding which controls and records their work requires.

A practical cGMP guide for food and supplement quality teams covering Part 117, Part 111, supplier controls, testing, certificates of analysis (COAs), batch records, and release decisions.

Spermidine is a naturally occurring polyamine and a quality-control question for supplement claims, COAs, source risks, testing, and lot release.

Yohimbine is a high-risk supplement ingredient where form, label accuracy, safety signals, claims, COAs, and testing all need careful review.

A practical FAT TOM guide for food and supplement teams covering growth conditions, measurable controls, testing, and process-safety decisions.

A practical FDA Food Code guide for food and supplement brands covering retail scope, local adoption, temperature controls, allergens, sanitation, and documentation.

Free root cause analysis template for food and supplement incidents. Copy it into your QMS with evidence, containment, CAPA, and effectiveness checks.

A practical OOS investigation workflow for food and supplement brands, covering lab triage, retesting, CAPA, disposition, and audit-ready records.

Iodine is an essential nutrient and a quality-control variable for labels, claims, ingredient specs, testing, and lot release.

A practical guide to boswellia for supplement and compliance teams, including forms, active markers, claims, safety, testing, and supplier documentation.

A practical lutein guide for supplement, food, quality, and compliance teams covering ingredient basics, eye-health claim risk, potency testing, COAs, contaminants, and release records.

Use this buyer guide to compare Prop 65 testing labs by chemical scope, matrix fit, method quality, reporting depth, warning support, and workflow.