Light Labs through the lens of brands and manufacturers.

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.

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.

A practical guide to certificates of conformance, certificates of compliance, and COAs for food, supplement, and baby-food release workflows.

A practical lactose guide for food, supplement, and compliance teams covering milk sugar, lactose-free claims, milk allergen risk, supplier documentation, and testing.

A practical guide to what changes Prop 65 testing cost, how quotes expand, and which questions help brands compare labs before they buy.

A practical fructose guide for food, supplement, quality, and compliance teams covering definitions, sugar comparisons, labeling, testing, COAs, and claims risk.

A practical NMN guide for supplement, food, quality, and compliance teams covering ingredient basics, regulatory context, supplier COAs, potency testing, and contaminant controls.