Gleb Oleinik

Gleb Oleinik

CBD Journalist


  • Name: Gleb Oleinik
  • Author with Leafreport since: July 2019

Education And Work Information

  • School(s) Attended: B.A. with double major in History and Geography from Univesity of British Columbia (UBC)
  • Job Title: Freelance CBD & Health Writer and Journalist
  • Company / Organization: self-employed


  • Area of Expertise: CBD, dietary supplements, fitness, medical research
  • Using CBD since: 2017
  • Favourite CBD product: Tinctures


Gleb Oleinik is a freelance health writer and Journalist from Vancouver, Canada. He’s read thousands of research studies about various supplement ingredients, enabling him to translate complex health information into simple language. Gleb specializes in CBD and has personally tried and reviewed dozens of CBD products. He’s knowledgable about the ins and outs of the CBD industy as well as the science and research behind this popular natural remedy.

Recent Activity

Quality vs Potency
CBD: Breaking Down the Importance of Quality Vs. Strength

There are many factors to consider when choosing the right CBD product. However, the two most important ones are quality and strength. Whether you’re buying a CBD oil, capsules, or something else, you want to find a product that’s of high quality and has the right strength for your needs.

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Top 10 Full Spectrum CBD Tinctures of 2020 Ranked by Quality

It seems like everywhere you turn, there’s a new CBD oil on the market. But how do you know what you’re really getting? Consumers need to scrutinize every step of the supply chain from sourcing to extraction to formulation to ensure they’re getting a safe and effective product. Unfortunately, what’s hiding behind the label is […]

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CBD Edibles Market Report
CBD Edibles Market Report: Only 1 in 4 CBD edibles contain the labeled amount of CBD; 63% of edibles contained more CBD than advertised

In this report, we extend our research to CBD edibles, a large category that includes gummies, chocolate, and other edible products infused with CBD. We tested a total of 40 products from 21 brands. Here’s what we found.

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Best CBD Oil Products for Athletes and Pro Athletes: Boost Athletic Performance and Recovery

An increasing number of athletes and workout enthusiasts are using CBD to boost their recovery. Although CBD has yet to be studied in the context of exercise, research suggests that it may have many properties that can benefit active individuals, including reduction of inflammation, pain relief, improvement of sleep, reduced muscle spasms, and protection against […]

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Report summary
Leafreport’s Independent Testing of CBD Beverages Finds Labeling Discrepancies: 54% of products contained less CBD than advertised

We tested 22 CBD beverages from 20 well-known brands. The results were quite surprising, and unfortunately, not in a good way. Keep reading for our detailed report.

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Kushly Review 2021

The Bottom Line Kushly is a CBD company based out of Los Angeles. It offers CBD oils, topicals, capsules, pet treats, skincare cosmetics, bath bombs, toothpicks, and gummies. Despite its apparent popularity, Kushly has one major problem: it doesn’t provide third party lab test results for its products. This is a huge red flag in […]

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How to Avoid Getting Ripped Off When Buying CBD Products
How to Avoid Getting Ripped Off When Buying CBD Products

The definitive guide to finding high-quality CBD companies and choosing the right CBD product for yourself

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CBD Vape Cartridge Buyer’s Guide

Table of Contents CBD Products Benefits of Vaping CBD Advantages of Vaping CBD Is CBD Legal? How to Use a CBD Vape Cartridge Safety of Vaping CBD CBD Vape Cartridge Pricing Buying a High-Quality CBD Vape Cartridge References CBD is making headlines as a substantial trend in health and wellness. While most people use this […]

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CBD Industry Report
Market Report: CBD Industry Has Come a Long Way in Improving The Quality and Accuracy of its Products

Leafreport partnered with Las Vegas’ Canalysis Laboratories to put dozens of CBD products from various brands to the test. Our goal was simple: check if these products contain as much CBD as the company says they do.

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CBD Syrup Guide: What is Cannabidiol Syrup, Benefits and What are The Best CBD Syrups for 2021

CBD-infused syrups are one of the newer additions to the CBD product lineup. As the name suggests, this type of CBD formulation combines a sweetened syrup mixture with CBD and other ingredients and health supplements. These syrups are meant to be a pleasant, tasty and easy way to take CBD. They can be taken on […]

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Colgate, Sports Illustrated, BioSteel Nutrition Enter the CBD Market

Oral hygiene brand Colgate, Sports Illustrated magazine, and Canadian sports nutrition company BioSteel Nutrition are among the latest big names to enter the CBD market.

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Pure Kana Review 2021

The Bottom Line Arizona’s PureKana is one of the most popular American CBD brands. It offers a wide product range, including oils, topicals, gummies, pet treats, beverage enhancers, oral sprays, bath bombs, toothpicks, vape pens, transdermal patches, and capsules. The company does a lot of things right, such as using organic, USA grown hemp, offering […]

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California to Consider CBD in Foods, Beverages, and Cosmetics

California is inching closer towards allowing CBD as an ingredient in foods, beverages, and cosmetics. The move would benefit both the public and the CBD industry.

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The Best CBD Vape Oils for 2021: From Juices and E-liquids to CBD Vape Pens Both Disposable and Refillable

Vaping, the practice of producing and inhaling vapor containing vegetable glycerin (VG), propylene glycol (PG), and other ingredients such as nicotine, is an increasingly popular alternative to smoking. Thanks to this, many companies now offer vape oils, cartridges, and disposable vape pens containing CBD. Vaping CBD works much in the same way as vaping regular […]

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Australia May Allow Over-the-Counter CBD Products

CBD products are notoriously difficult to access in Australia, but that may soon change. The country’s Therapeutic Goods Administration (TGA) is currently undertaking a review of CBD’s safety that could make low-strength products available over the counter.

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U.S. Lawmakers Introduce Bill Forcing FDA to Treat CBD as a Supplement

U.S. lawmakers recently introduced a bill that would make the FDA treat hemp-derived CBD as a supplement. If successful, it would mean easier access to CBD products and further growth for the industry.

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