{"schemaVersion":1,"language":"en","canonical":"https://cbd.bike/guides/cbd-oil/","question":"CBD oil: ingredients, strength and label checks","answer":"CBD oil combines a CBD ingredient with a carrier oil. Compare the full ingredients, CBD per millilitre and CBD per labelled serving; a larger bottle total does not necessarily mean a higher concentration.","author":{"type":"Organization","name":"CBD Bike Team","url":"https://cbd.bike/authors/cbd-bike-team/"},"sourceReviewDate":"2026-10-19","comparison":{"introduction":"Fictional prices and labels for comparison only. Shipping, taxes and discounts are excluded from this example.","columns":["Imaginary offer","Label concentration","Cost per labelled mg CBD"],"rows":[["A: 1,000 mg CBD / 10 ml / €40","1,000 ÷ 10 = 100 mg/ml","€40 ÷ 1,000 = €0.040"],["B: 1,500 mg CBD / 30 ml / €45","1,500 ÷ 30 = 50 mg/ml","€45 ÷ 1,500 = €0.030"],["Compare the same measures","A is twice as concentrated","B costs 25% less per labelled mg"]]},"interpretationScope":"The offers and prices are invented. The calculation does not measure purity, efficacy, absorption or the amount anyone should use.","nextStep":"Make two separate comparison columns: labelled mg/ml and final cost divided by labelled total mg CBD. Keep the batch evidence beside them.","sources":[{"title":"Food Standards Agency · Analysis of CBD products (2022–23)","url":"https://science.food.gov.uk/article/123685-analysis-of-cbd-products-2022-23"},{"title":"FDA · CBD: risks, side effects and unknowns","url":"https://www.fda.gov/consumers/consumer-updates/what-you-need-know-and-what-were-working-find-out-about-products-containing-cannabis-or-cannabis"},{"title":"FTC · Online shopping and comparing total costs","url":"https://consumer.ftc.gov/articles/online-shopping"},{"title":"FSA and Fera Science · CBD labels and measured composition, 2022–23","url":"https://science.food.gov.uk/article/123685-analysis-of-cbd-products-2022-23"}],"supportingImage":{"url":"https://cbd.bike/assets/media/cbd-oil-editorial.webp","alt":"A golden drop at a pipette tip above oil in a ceramic dish.","caption":"CBD per millilitre differs from CBD per labelled serving. A drop count cannot replace a measured volume.","illustrative":true,"aiGenerated":true}}