CBDfx vs. Koi vs. Mellow Fellow: The Best Cannabinoid Brand for You

Published on Nov 07, 2025 • Reviewed & Updated on Nov 07, 2025 by Lindsey Goldstein

Quick Answer: The best cannabinoid brand between CBDfx, Koi CBD, and Mellow Fellow is Mellow Fellow. It offers pharmacist-formulated blends designed around effects like creativity, euphoria, and relaxation. With full-panel lab testing, transparent COAs, and a mood-based shopping experience, Mellow Fellow delivers consistent, science-backed results that outshine competitors.

Are you tired of spending money on cannabinoid products that don’t actually work? You’re not alone - and you deserve better. With so many brands making big promises, finding one that truly delivers can feel like guesswork.

That’s where we come in. We’ve compared three leading names in the cannabinoid space - CBDfx, Koi CBD, and Mellow Fellow, the number one choice for quality, consistency, and effects you can actually feel.

Whether you’re exploring cannabinoids for the first time or looking to upgrade to a brand you can trust, this guide breaks down how each company stacks up in purity, potency, and user experience.

By the end, you’ll know exactly which brand gives you the best value - and why Mellow Fellow continues to set the gold standard.

Key Takeaways

Mellow Fellow outperforms CBDfx and Koi CBD by focusing on mood-based formulations backed by pharmacist-developed science.
CBDfx and Koi CBD provide broad product selections, but their ranges can feel disorganized and lack consistent effect-based outcomes.
Mellow Fellow tests every batch in ISO-accredited labs and publishes detailed COAs for complete transparency and safety.
The Mellow Fam Club rewards loyal customers with exclusive discounts, early access, and personalized recommendations.
Educational resources and beginner-friendly product guides help users make confident, informed decisions about cannabinoids.
CBDfx and Koi CBD perform well in product variety and testing but fall short in customer experience and innovation.
Shop Mellow Fellow’s full lineup of science-backed cannabinoid products for a reliable, personalized experience.

CBDfx vs. Koi CBD vs. Mellow Fellow at a Glance

Feature	CBDfx	Koi CBD	Mellow Fellow
Product Variety	Broad but basic lineup of CBD tinctures, gummies, and topicals, with limited focus on effect-driven products.	Extensive selection spanning CBD, Delta 8, and Delta 9, though the range can feel cluttered and inconsistent.	Massive collection covering virtually every legal cannabinoid including Delta 8, Delta 9, HHC, THCp, THCh, and more. From vapes and edibles to tinctures and concentrates, every product is crafted around mood-based blends like Euphoria, Tranquility, and Creativity for results that truly stand out.
Cannabinoid Profiles	Standard full- and broad-spectrum formulas; lacks variety beyond CBD.	Emphasizes THC variants like Delta 8 and Delta 9, but few unique blends.	Proprietary formulations expertly combine CBD, rare minor cannabinoids, and terpenes to deliver precise, targeted experiences backed by pharmacist-developed science.
Third-Party Testing	All products tested by external labs, but COAs are often general rather than batch-specific.	Testing available via QR codes, though transparency varies between products.	Every batch is tested by ISO-accredited labs for purity, potency, and safety. Mellow Fellow publishes batch-specific COAs and full ingredient transparency - setting a higher standard for trust and accountability.
Subscription & Rewards	25% Subscribe & Save with loyalty points, but savings mainly benefit frequent buyers.	20% recurring discount and a rewards system, though exclusive perks are minimal.	The Mellow Fam Club provides 15% off your first purchase, ongoing loyalty rewards, and early access to new blends. Members also enjoy exclusive discounts on new cannabinoids before they hit the market.
Educational Resources	Informative blog and dosage calculators, though content focuses primarily on CBD basics.	Offers helpful articles and user testimonials but limited scientific depth.	In-depth guides and articles that break down cannabinoids, terpenes, and dosing in plain, practical language—helping customers make confident, informed choices.
Customer Service	Dependable support with a 60-day unopened return policy.	Multiple contact options but restrictive refund tiers after 30 days.	Industry-leading customer care with a true satisfaction guarantee—even on opened products. Backed by a friendly, knowledgeable team that prioritizes education, transparency, and customer happiness at every step.

Mellow Fellow Overview

Mellow Fellow represents a fresh approach to cannabinoid experiences, focusing on how you want to feel rather than complicated strain names or obscure compounds.

Mellow Fellow simplifies the entire experience with science-backed blends tailored to everyday moods, moments, and intentions.

By combining cannabinoids like Delta 8, Delta 9, HHC, CBG, and more in carefully curated formulas, Mellow Fellow delivers nuanced, consistent effects that work the same way every time. The brand's lineup includes blends like "Creativity," "Euphoria," "Sleep," and "Tranquility" each designed for a specific mood or experience.

Mellow Fellow Core Features

Shop by Effect
Clear Product Descriptions
Beginner-Friendly Options

1. Shop by Effect

Mellow Fellow's innovative "Shop by Effect" system allows you to browse products based on your desired mood or outcome. This approach eliminates the guesswork often associated with traditional cannabis shopping, where strain names and cannabinoid ratios can be confusing for newcomers.

The website's intuitive navigation guides you to blends formulated for specific intentions, such as enhancing creativity, promoting relaxation, or supporting better sleep.

For instance, if you're looking for the best edibles for creativity, Mellow Fellow's "Creativity" blend combines cannabinoids and terpenes known for their creative enhancement properties.

This effect-based approach extends across the brand's entire product range, from edibles and tinctures to vape cartridges. By focusing on the desired experience rather than the chemical composition, Mellow Fellow makes it easy for anyone to find the perfect product for their needs.

2. Clear Product Descriptions

Mellow Fellow prioritizes transparency and education, ensuring that every product page provides clear, detailed information about its contents and effects. Each listing includes a breakdown of the cannabinoid profile, explaining the role of each compound in creating the blend's signature experience.

For example, the product description for live resin carts and normal carts highlights the differences between these premium vape options, helping you make an informed decision based on your preferences.

The brand also offers extensive educational content through its blog, tackling topics like CBD myths debunked and guides to finding the best CBN products for sleep. By empowering consumers with knowledge, Mellow Fellow builds trust and confidence in its products.

3. Beginner-Friendly Options

Mellow Fellow offers a range of products designed specifically for those new to cannabinoids, making it easy to explore without feeling overwhelmed. The website features a helpful quiz that guides you to the perfect blend based on your preferences and experience level.

Additionally, the brand offers beginner-friendly options like low-dose edibles and pre-filled vape cartridges, which provide a controlled, consistent experience without the need for complicated equipment or dosing calculations.

These entry-level products are clearly labeled and described, ensuring that even first-time users can enjoy Mellow Fellow's mood-specific blends with confidence.

For those looking to sample multiple blends, Mellow Fellow also offers curated bundles and starter packs. These collections provide an accessible way to discover your favorite products and experience the brand's range of effects without committing to full-size purchases.

Positives of Mellow Fellow

Effect-Based Shopping: Mellow Fellow's innovative "Shop by Effect" system makes it easy to find products that match your desired mood or experience.
Clear, Detailed Product Information: Every product page includes a breakdown of the cannabinoid profile and its role in creating the blend's signature effects.
Extensive Educational Resources: The brand's blog offers in-depth articles guides to finding the best products for specific needs, such as the best edibles for anxiety.
Beginner-Friendly Options: Mellow Fellow offers a range of products designed for those new to cannabinoids, including low-dose edibles, pre-filled vape cartridges, and curated starter packs.
Transparent Pricing and Subscription Options: The brand provides clear pricing information and offers both pay-as-you-go and subscribe & save options for added convenience and savings.

What Could Be Better

Limited Retail Availability: Currently, Mellow Fellow products are primarily available through the brand's website, which may be a drawback for those who prefer to shop in-store or need immediate access to products. Expanding retail partnerships could make Mellow Fellow's mood-specific blends more accessible to a wider audience.

CBDfx Overview

CBDfx is a leading provider of high-quality CBD products designed to support overall wellness and targeted health needs. The company offers a diverse range of hemp-derived CBD formulations, including tinctures, gummies, capsules, topicals, and vape products, catering to various preferences and lifestyles.

CBDfx's products are crafted with organically grown hemp, extracted using clean CO2 methods, and rigorously tested by third-party laboratories to ensure purity, potency, and safety. The brand's commitment to transparency and quality has earned them a loyal customer base and a reputation as a trusted source for effective CBD solutions.

CBDfx Core Features

Extensive Product Variety
Premium Quality and Testing
Targeted Wellness Formulas

1. Extensive Product Variety

CBDfx offers one of the most comprehensive selections of CBD products in the industry, ensuring that customers can find the perfect format and formulation for their needs.

This diverse range of options allows customers to customize their CBD experience and incorporate hemp-derived wellness into their daily routines seamlessly.

2. Premium Quality and Testing

CBDfx is committed to delivering the highest quality CBD products, starting with the sourcing of organic, non-GMO hemp grown in the USA. The company employs advanced CO2 extraction methods to obtain pure, potent CBD extracts without the use of harsh solvents or chemicals.

Customers can easily access the lab reports for each product on the CBDfx website, providing full transparency and peace of mind.

3. Targeted Wellness Formulas

CBDfx goes beyond offering just standard CBD products by creating innovative formulas that target specific wellness needs.

By offering products that address specific concerns, CBDfx makes it easier for customers to find the most effective solutions for their unique wellness goals.

Positives of CBDfx

Wide Product Selection: CBDfx offers an extensive range of CBD products, making it easy for customers to find the perfect format and formula for their needs.
Third-Party Lab Testing: Every batch of CBDfx products undergoes rigorous independent testing, with lab reports readily available for customers to review.
Targeted Wellness Formulas: CBDfx offers innovative products that address specific wellness concerns, such as sleep support, muscle and joint relief, and overall balance.

What Could Be Better

No International Shipping: Currently, CBDfx only ships within the United States, which may be a drawback for international customers seeking high-quality CBD products.No
Live Chat Support: While CBDfx offers email and phone support, the addition of a live chat feature could provide more immediate assistance to customers with questions or concerns.
More Detailed Dosage Guidance: Although CBDfx provides general dosing recommendations, more personalized guidance based on factors like weight, experience level, and wellness goals could help customers optimize their CBD use.

Koi CBD Overview

Koi CBD is a leading provider of premium CBD products designed to promote wellness and enhance quality of life.

With a focus on purity, potency, and consistency, Koi CBD offers a wide range of CBD oils, gummies, vapes, and topicals to suit various preferences and needs.

Koi CBD's products are crafted using high-quality, US-grown hemp and undergo rigorous third-party testing to ensure safety and efficacy.

The company's commitment to transparency and customer satisfaction has earned them a loyal following and a reputation as a trusted source for CBD wellness solutions.

Koi CBD Core Features

Extensive Product Selection
Premium Quality and Testing
Personalized Wellness Solutions

1. Extensive Product Selection

Koi CBD offers a large product lineup, catering to diverse preferences and wellness goals. Their extensive range includes:

CBD oils and tinctures in various strengths and flavors
CBD gummies with targeted formulas for sleep, calm, and wellness
CBD vape juices, disposables, and cartridges for fast-acting relief
CBD topicals, including balms, lotions, and roll-ons for targeted application
CBD pet products, such as treats and tinctures, for furry friends

2. Premium Quality and Testing

To guarantee consistency and safety, every batch of Koi CBD products undergoes meticulous third-party laboratory testing. These independent tests verify the potency of CBD and other cannabinoids, as well as screen for potential contaminants like heavy metals, pesticides, and residual solvents.

3. Personalized Wellness Solutions

Koi CBD recognizes that each individual's wellness journey is unique, and they strive to provide personalized solutions to address specific needs. The company offers a range of products tailored to different wellness goals, such as:

In addition to these targeted formulas, Koi CBD offers a Wellness Quiz on their website to help customers find the best products for their specific needs.

By answering a few simple questions about their wellness goals and preferences, customers receive personalized product recommendations tailored to their unique requirements.

Positives of Koi CBD

Third-Party Lab Testing: Every batch of Koi CBD products undergoes rigorous independent testing, with lab reports readily available for customers to review.
Personalized Wellness Solutions: Koi CBD offers targeted formulas for specific wellness goals, as well as a Wellness Quiz to help customers find the best products for their needs.
Subscription Savings: The Subscribe & Save program offers a 20% discount and free shipping, providing significant savings for regular CBD users.

What Could Be Better

International Shipping: Currently, Koi CBD only ships within the United States, which may be a drawback for international customers seeking high-quality CBD products.
Limited Brick-and-Mortar Availability: While Koi CBD products are available through their website and select retailers, a wider brick-and-mortar presence could make their products more accessible to those who prefer in-store shopping.
More Detailed Dosage Guidance: Although Koi CBD provides general dosing recommendations, more personalized guidance based on factors like weight, experience level, and specific wellness goals could help customers optimize their CBD use.

CBDfx vs. Koi CBD vs. Mellow Fellow: Product Variety

CBDfx carries a broad CBD lineup - tinctures, gummies, capsules, vapes, and topicals - with some mushroom and THC-infused options. While the range looks impressive, their catalog often feels scattered and focused more on quantity than innovation.

Koi CBD offers similar products, mixing CBD, Delta 8, and Delta 9 with extras like kratom and mushroom supplements. However, this variety can be confusing, and not every formula delivers consistent effects.

Mellow Fellow takes a more thoughtful approach. Each product is crafted around how you want to feel - from Creativity and Euphoria to Sleep and Tranquility.

Their vapes, edibles, tinctures, and concentrates blend cannabinoids and terpenes for clear, reliable results. Instead of overwhelming you with choices, Mellow Fellow simplifies the experience with purpose-driven blends that actually work.

CBDfx vs. Koi CBD vs. Mellow Fellow: Customer Experience

CBDfx’s site is easy to use, and they offer a 60-day return policy - but only for unopened items, which limits flexibility.

Koi CBD provides multiple customer service options, but their partial refund policy after 30 days feels restrictive.

Mellow Fellow leads with a customer-first philosophy. Their 30-day satisfaction guarantee even covers opened products, showing real confidence in their quality. The website is fun, simple to navigate, and includes a personalized product quiz.

Add in responsive support and educational resources, and it’s easy to see why customers keep coming back.

CBDfx vs. Koi CBD vs. Mellow Fellow: Transparency and Testing

CBDfx and Koi both publish third-party lab results and use accredited labs, but their reports can be generic and lack deeper context.

Mellow Fellow, on the other hand, provides batch-specific COAs for every product, tested by ISO-accredited labs for potency, purity, and safety.

They also explain their sourcing and extraction methods in plain language - proving they have nothing to hide. When it comes to trust and transparency, Mellow Fellow sets the industry benchmark.

CBDfx vs. Koi CBD vs. Mellow Fellow: Which Should You Choose?

To help you make an informed decision, here's a scoring table comparing the key features of CBDfx, Koi CBD, and Mellow Fellow:

Feature	CBDfx	Koi CBD	Mellow Fellow
Product Variety	4.5	4.7	4.8
Customer Experience	4.4	4.3	4.9
Transparency & Testing	4.6	4.5	4.9
Average Score	4.5	4.5	4.9

Get Started with Mellow Fellow

Mellow Fellow stands out by prioritizing mood-focused experiences, simplifying the selection process for users who seek specific effects. Unlike competitors that organize products by cannabinoid type, Mellow Fellow's approach ensures you find exactly what you need to match your desired mood, whether it's creativity or relaxation.

Mellow Fellow's emphasis on customer satisfaction and education further increases the appeal. Their interactive tools, like the product quiz, guide you in selecting the ideal blend, making the shopping experience both informative and enjoyable.

Shop by mood, not by molecule. Take our product quiz to find your ideal experience, or explore our curated collections of effect-driven blends. From creativity to tranquility, we've got the science-backed formulation to match your intention.

Ready to feel the difference? Visit Mellow Fellow and discover why thousands choose mood-first cannabinoids.

Frequently Asked Questions

What Makes Mellow Fellow Different From Other Cannabinoid Brands?

Mellow Fellow focuses on mood-based blends rather than single cannabinoids. Each formula is developed by pharmacists and tested for purity, delivering predictable and consistent results. This unique approach simplifies the shopping experience, allowing users to choose how they want to feel instead of guessing based on strain names or chemical ratios.

Are Mellow Fellow Products Full-Spectrum or Isolate?

Most Mellow Fellow products combine cannabinoids in full-spectrum and broad-spectrum formats to maximize the entourage effect. These blends create balanced, synergistic experiences by pairing major cannabinoids with minor ones like CBG or THCp. Each product’s cannabinoid composition is clearly listed on both the packaging and lab report.

Do Mellow Fellow Products Contain THC?

Yes. Many Mellow Fellow products include federally legal levels of THC under the 0.3% limit, alongside options featuring Delta 8, Delta 9, and HHC. Each product label clearly identifies its THC content and strength so customers can make informed choices that match their tolerance and preferences.

Is Mellow Fellow Safe for First-Time Users?

Yes. Mellow Fellow is ideal for beginners thanks to its low-dose edibles, pre-filled vapes, and clear product labeling. The brand also offers a helpful product quiz that guides new users toward the right blend for their comfort level. Every product is designed for consistent, easy-to-control experiences.

How Does Mellow Fellow Ensure Product Safety and Quality?

Every batch of Mellow Fellow products undergoes full-panel testing in ISO-accredited laboratories. These tests verify cannabinoid potency and screen for pesticides, solvents, and heavy metals. The results are published online through batch-specific COAs, giving customers complete transparency and peace of mind about product safety.

Can I Earn Rewards or Discounts With Mellow Fellow?

Yes. The Mellow Fam Club offers 15% off your first order, ongoing rewards for loyal customers, and early access to new blends. Members also receive exclusive discounts and updates about upcoming cannabinoid releases, making it an easy way to save while staying connected to the latest innovations.