Best THC Oil Vape Cartridges to Buy in 2021 [Reviews & Guide]

Delta-8 THC vape carts are one of the industry’s fascinating innovations that have become pretty popular among cannabis connoisseurs. So, it is hardly surprising the ever-growing cannabinoid market is full of them.

But, the question is: are all of these products effective and safe?

Unfortunately, no. The cannabis market is still not as well-regulated as we would expect. So, as consumers, it is up to you to find the best quality, safest, most potent, and premium product for yourself.

But, you are not on your own in this.

In this article, we have selected some of the best delta-8 THC vape carts we found to be the best. Apart from conducting thorough research, our team tried out several products and ranked them on their quality and effectiveness.

So, if you want to make a well-informed choice, read on.

Top 3 THC Cartridges on the Market:

  1. Exhale Wellness – High-Quality Product, Overall Best & Editor’s Choice
  2. BudPop – Strongest With Exotic Flavors
  3. Delta EFFEX – Best Value

THC Vape Cartridges: How We Chose the Top 3 Brands

As we researched the market, we found a long list of delta-8 brands. We started with the brand websites, and we read through the customer reviews and researched deeper into the brands and their products to find out:

  • The effectiveness of the products for different conditions
  • Hemp sources and third-party lab test reports
  • Manufacturing facilities and whether they are FDA-approved
  • The delta-9 THC levels in the final products
  • The level of transparency, i.e., whether the products are third-party lab-tested and if the brand has posted the lab reports on its website
  • Whether the brand provides dosage and usage instructions
  • Whether the brand provides information on delta-8, its uses, benefits, etc.
  • The brand’s overall reputation and customer feedback

Since our initial list of all of the popular delta-8 brands was quite long, we checked with the parameters mentioned above. We even spoke to numerous delta-8 consumers and niche experts to narrow down our list of the best THC cartridge brands.

Finally, after we were convinced about the safety, efficacy, and understanding of every brand on our list, we took our personal experiences of these products into account. The team tested over six delta-8 THC vape carts and, ultimately, narrowed them down to these three best products.

So, here we go.

Best THC Vape Carts: Reviewed

#1. Exhale Wellness – High-Quality Product, Overall Best & Editor’s Choice

Brand Overview

If you are looking for options to refresh your body and soul, Exhale Wellness is probably the ultimate solution for an instant yet smooth rejuvenation. As the name suggests, the brand promotes wellbeing and quality of life to its consumers through its top-shelf hemp products.

All of their delta-8 products are third-party lab-tested and compliant with the 2018 Farm Bill. In addition, each delta-8 THC cartridge contains natural hemp cultivated by skilled and licensed hemp farmers in Colorado. So, you can breathe easy when you purchase from this brand. 

Based in Los Angeles, Exhale Wellness’ superior delta-8 products have already become quite a hit in the U.S. cannabis industry.

Exhale Wellness, as a company, believes in the continuous development and innovation of its formulations. The brand’s team of high-profile and proficient scientists, chemists, and doctors has paved the way for some of the best and most innovative product formulations.

Their constant efforts to manufacture only the best quality hemp products, specifically in the delta-8 segment, have been appreciated by many customers. So far, they have greatly appreciated the brand’s delta-8 products. According to many, their delta-8 THC cartridge is one of the most potent products in the cartridge market.

The brand does not compromise on the quality and purity of its products or the safety of its customers. That is why they have adopted the CO2 method of hemp extraction.

Despite the brand’s young age, the founders have a good amount of experience in the organic food industry, which is why they have succeeded in garnering the patronage of thousands of customers across the country.

As a brand, Exhale Wellness has been featured in Forbes Magazine, the Ministry of Hemp, and numerous other reputed media outlets.

So, if you are looking for the most premium-quality THC cartridges, Exhale Wellness has precisely what you need.


  • 100% natural and vegan ingredients
  • Wide array of delta-8 THC products — cartridges, flowers, capsules, gummies, and pre-rolls
  • Contain less than 0.3% of delta-9
  • Third-party lab tests assure purity, safety, and potency of products
  • Reasonably priced high-quality THC cartridges
  • Exciting discounts and deals
  • Positive brand reputation
  • A dedicated team for customer support
  • 30-day return and refund policy


  • Refund policy applies only to purchases over $100
  • Website needs further optimization for smoother navigation


Variety in Strains: Numerous strains and flavors are available in these THC cartridges, such as BlackBerryleads, Jack Herer, Blackberry Kush, Sour Diesel, OG Kush, Gorilla Glue, Cactus Cooler, and Pineapple Express. In addition, these cartridges are available in numerous fruity flavors made from botanical extracts. So, you can relax and take easy puffs from these carts and enjoy the smooth flavor and vapor.

Safe & Pure Extracts: All cartridges contain broad-spectrum hemp extracts and natural terpenes (hemp or other botanical). They do not contain MCT, VG, PG, PEG, cutting agents, additives, or preservatives. The brand uses the CO2 extraction process to ensure safe delta-8 consumption. So, enjoy these deliciously flavored vapes any time of the day.

Transparent Brand: Exhale Wellness maintains high levels of transparency. They not only make public their source of hemp, processing methods, and product test results, but they also use high-quality, healthy, safe, and pure ingredients. Moreover, you would not experience the harsh or harmful effects of any synthetic ingredients or animal-based gelatin in these carts.

Highly Potent: Each 2 oz. THC cartridge contains a total of 900mg of delta-8 THC — enough for any average user.

Excellent Company Policies: Since their products are a tad bit expensive, the company provides 25% off to subscribers. They also have first-timer offers and other deals. The company delivers on its promise of free and fast shipping, and they also offer returns, refunds, and exchanges on products.

⇒ Click Here to Visit the Official Website of Exhale Wellness for the Best Offers

#2. BudPop – Best New Brand With Exotic Flavors

Brand Overview

Although relatively new in the cannabis industry, BudPop’s delta-8 THC cartridge is already a top pick among many consumers across the country.

A bunch of young cannabis enthusiasts leads the company with an ultimate aim to provide a completely natural hemp-based euphoria to their consumers. Their focus is on helping consumers lead a better, healthier, and more balanced life.

BudPop has an excellent team of research scientists who ensure their hemp products are safe and potent. So, if you are considering a switch to a new brand selling premium-grade THC cartridges, you should try BudPop.

Made from 100% natural and organic hemp, BudPop offers excellent quality products to replace every other cannabis product or even steroid-based anti-depressants.

The brand maintains complete transparency about the ingredients used in its THC cartridges. You can also check out the customer reviews before purchasing.

Two THC cartridges are available with BudPop — Grape Runtz Delta-8 THC Vape Carts and Strawberry Gelato Delta-8 THC Vape Carts. These premium-quality delta-8 cartridges, coupled with their dedicated and well-informed customer support team, easily make BudPop a top contender in this industry. 


  • GMO-free, natural, and organic hemp, legally grown in the U.S.
  • Collective experience of more than 30 years
  • Contain less than 0.3% of delta-9
  • Offers edibles and flowers as well
  • Website is fun, funky, and carefully designed, keeping young customers in mind
  • Easy to navigate and a smooth payment gateway
  • Also has an Instagram page
  • Numerous positive feedback from customers 
  • Third-party labs have acknowledged their excellent quality
  • Free shipping on orders above $50
  • 30-day return policy provided the item is not altered in any way
  • 14-day refund policy if the cartridge pack is unused
  • New to the industry with opportunities to evolve further


  • Only two types of THC cartridges available currently
  • Less exposure than other top-notch THC brands
  • Yet to form a more extensive customer base
  • Limited product lines available on the brand’s website
  • No exchange policy


Natural Flavors: Both the Grape Runtz THC Cartridge and the Strawberry Gelato THC Cartridge contain natural, hemp-based terpenes to give them their unique flavor and aroma.

Third-Party Lab-TestedThe brand keeps the safety of its consumers and the efficacy of its products in mind. So, they religiously send every batch of their THC vape carts for testing by independent labs.

Quality Product with Refined Design: The vape cartridge shell is made from premium stainless steel and high-quality food-grade silicone. The heater of the cartridge is hemp-compatible ceramic. The cartridge contains around 300 draws, which is enough to last a month for most regular users. Moreover, the cartridge size goes well with most 510 vape pens.

Potent & Pure THC Carts: Each pack of BudPop THC cartridges has 1ml vape juice, containing 800mg of delta-8 THC oil, terpenes, and natural flavors. These THC cartridges do not contain any cutting agents or toxic chemicals. Each THC cartridge also undergoes rigorous testing both in its raw and finished forms. A three-second draw is enough to give you a fantastic hit. This top-shelf THC cartridge can ensure a smooth and gentle high.

Easy Rewards Program: Customers can earn easy and quick rewards money by buying on the brand’s website. These rewards equate to heavy discounts for future purchases. All they are required to do is to sign up and create an account on the website.

⇒ Click Here to Visit the Official Website of BudPop for the Best Offers

#3. Delta EFFEX – Best Value

Brand Overview

Apart from being a pioneer in the delta-8 THC market segment, Delta EFFEX is among the most reliable THC brands known for their specialized delta-8 products.  

As a brand owned by Savage Enterprises, a leading vaping products company, their THC carts far surpass most other brands in product quality and design finesse. So, with Delta EFFEX’s THC carts, you can expect a supreme-quality experience. If you visit the brand website, you will immediately notice they specialize in delta-8 and delta-10 THC products.

Although the brand is also famous for their other forms of consuming delta-8, such as concentrates, disposables, edibles, flowers, pods, and tinctures, their line of vaping cartridges has set the benchmark for vaping goods in the market.

And, it is all thanks to their specialized R&D team. With every vape cartridge you try, you would notice the distinct sense of perfection that only seems to get better each time you use them.

Their wide array of options in THC carts are one of the brand website’s biggest eye-grabbers. Every batch of these carts is pretty potent, containing the perfect blend of ingredients.

Their unique formulation, coupled with a perfectly coordinated and well-informed customer service team, makes for the right combination that every consumer looks for in a cannabis brand.


  • High-quality Pyrex glass shell
  • Excellent blend of potent, high-quality, and natural ingredients
  • GMO-free and natural ingredients
  • Third-party lab tested for purity, safety, and potency
  • Six delicious flavors available in individual packs and packs of ten
  • No artificial additives or cutting agents
  • Reasonably priced
  • Easy to carry, convenient to use, and easy to dispose of


  • Contacting the customer service team may initially seem like a hassle
  • The company does not take responsibility for lost or damaged packages
  • Packaging is not the most desirable
  • No returns, refunds, or exchanges on delivered items


Impeccable Brand Reputation: Delta EFFEX strictly adheres to standard practices concerning hemp farming and manufacturing. Customers find this brand highly reliable and transparent. They are one of the most popular brands on both unofficial forums and social media. Additionally, consumers have shared their praises on the brand’s website as well.

Third-party Lab-tested Cartridges: Each batch of Delta EFFEX’s THC carts is tested by independent labs to ensure quality, safety, and purity. Each of these delta-8 THC carts is made of natural, organic, third-party lab-tested ingredients. In addition, the final products also undergo a final round of testing for absolute verification of refinement. You can view their lab reports on the product pages.

Potent Ingredients: Each disposable THC oil cartridge contains a fantastic blend of delta-8 THC distillates (around 20mg full-spectrum hemp extract) and terpenes that make this product highly effective. No matter your reason for using the product, you will be satisfied with the effects. Each THC oil cartridge contains enough e-juice for about 500 puffs (4 puffs/ serving).

Classy and Practical Design: The cart’s shell is made from Pyrex glass. So, the user can see exactly how much oil remains in the oil cartridge as they vape. The external body is visually pleasing and also prevents breakage. The internal storage container is practical and specially designed to keep the liquid intact.

Excellent Range of Flavors: Flavors include: Blue Dream, Strawberry Cough, Razzberry Kush, Cali Orange Kush, Banana Candy Kush, and Grand Daddy.

⇒ Click Here to Visit the Official Website of Delta EFFEX for the Best Offers

#4. Diamond CBD – Wide Range of Flavors

Brand Overview

One of the most reputable brands in the cannabis industry, Diamond CBD, offers premium CBD and delta-8 products you are sure to love.

Diamond CBD focuses on ensuring their products are of high quality, lab-tested, and safe to consume. The brand uses the supercritical CO2 extraction method and ensures the products are free from residual solvents, contaminants, unnecessary ingredients, or cutting agents.

Diamond CBD is a trustworthy brand that maintains a high level of transparency. All of their products are third-party lab tested. You can find the lab reports on the brand website.

Moreover, Diamond CBD maintains high standards of customer service. From offering two-day, free shipping on all orders above $100 to their 30-day money-back guarantee, the brand has it all covered. However, there is no refund policy for vaping products.

The delta-8 THC carts by Diamond CBD contain pure and concentrated delta-8 extracts from organic, full-spectrum CBD. It also contains terpenes, hemp extracts, botanical extracts, and other cannabinoids. The THC carts are available in both Indica and Sativa strains, which ensures a quality vaping experience.

The THC carts by Diamond CBD are available in 1ml packs, with each THC oil cartridge containing 900mg delta-8 THC, which is adequate to give you a memorable experience.


  • Third-party lab-tested
  • Organic, non-GMO, chemical-free 
  • Positive brand reputation
  • Offers and discounts available
  • Variety of flavors
  • Fast, free shipping on orders above $100
  • Wide variety of products
  • Reasonable pricing
  • Convenient and easy-to-use 


  • Wide variety of products may confuse customers
  • No refund for vaping products
  • Exchange policy is limited to defective or damaged shipments


High-Quality: Diamond CBD’s delta-8 vape carts make it convenient for you to use delta-8 THC. All of the ingredients are organic and tested for safety and purity.

As customers have claimed, the vape carts act almost instantly and give a power-packed buzz that lasts long enough. Highly effective for stress, anxiety, insomnia, and many other conditions, the delta-8 vape carts by Diamond CBD are some of the top-notch products in the market.

Variety: Diamond CBD offers a wide variety of products. Their delta-8 vape carts are available in 15 flavors: Blue Dream, Grape Ape, Sour Diesel, Apple Fritter, Banana Kush, Tangie OG, Pineapple Express, Mango Kush, Strawberry Cough, Strawberry Lemonade, Zkittles, Skywalker OG, Lemon Squeeze, Green Crack, and Guava.

However, the vape THC oil carts are available in only one potency.

Third-Party Lab Tested: The lab tests at Diamond CBD are conducted by independent labs that thoroughly check the level of delta-9 THC and other cannabinoids.

The brand ensures there are no synthetic additives or chemicals in the product and the level of THC is within the legal limit of 0.3%. Overall, the tests are conducted to ensure quality, safety, and purity. 

Organic Hemp Source: Diamond CBD sources organic hemp from licensed farms in Colorado. On these farms, the hemp is cultivated under favorable conditions and strict quality-control regulations. This high-quality, full-spectrum hemp guarantees premium delta-8 products.

⇒ Click Here to Visit the Official Website of Diamond CBD for the Best Offers

#5. 3Chi – Most Popular Brand

Brand Overview 

3Chi’s biggest strength is that it was founded by a biochemist with 15 years of experience in product formulation. The founder of 3Chi discovered the therapeutic properties of hemp and was determined to make it accessible to the masses.

3Chi was the first company to develop a safe and commercially viable method of extracting pure delta-8 THC from hemp in 2019. They went on to manufacture the country’s first legal THC-dominant product.

Since then, 3Chi has been one of the finest delta-8 brands in the market. They use organic hemp and ensure the product quality is high. The vape cartridge contains pure delta-8 THC extracted from 100% organic and non-GMO hemp. Furthermore, they use the supercritical CO2 extraction method and ensure the limit of 0.3% delta-9 THC is maintained.

You can find the brand’s product lab test results readily available on their website, upholding the 3Chi’s level of transparency.

The brand offers express shipping via FedEx and standard shipping through Priority USPS. There are no cancellation, refund, or exchange policies, but you can contact the responsive customer support team if you face any issue within ten days of order delivery.


  • 100% organic, premium-quality, non-GMO products
  • Wide variety 
  • Reputable brand
  • Reasonable pricing
  • Pure and concentrated delta-8
  • Third-party lab tested for heavy metals, residuals, and solvents
  • Do not contain cutting agents
  • Two potencies and variants
  • Overnight shipping available
  • Well-guided and informative website


  • No return, exchange, or cancellation policies
  • No mention of international shipping


High-Quality Ingredients: The hemp used by 3Chi is sourced mainly from Oregon, California, and Colorado. It is premium, non-GMO, and 100% organic hemp.

The delta-8 vape cart by 3Chi is a powerful blend of 95% broad-spectrum, hemp-derived delta-8 THC oil and 5% terpenes (strain-specific). These THC oil cartridges do not contain any cutting agents, such as VG, PG, PEG, MCT, or Vitamin E.

Variety: From delta-8 oils and concentrates to edibles and topicals, 3Chi has a lot to offer. In the delta-8 vape carts, you will find two variants — Delta-8 Resin Vape Cartridge (65% delta-8 THC oil, 30% remediated live resin, and 5% CBC) and Comfortably Numb for deep relaxation (40/40 delta-8 THC and CBN, 10% CBC, and 2% CBD and Strawberry Napalm terpenes).

The THC oil cartridges are available in two sizes — 1ml and 0.5ml. And, you can choose from two potencies — 1000mg and 500mg.

Third-Party Lab Tested: 3Chi ensures independent labs test their ingredients and finished products. Furthermore, the products get tested by the brand’s in-house labs for solvents, residuals, and heavy metals. And, you can easily view the brand’s lab reports to be sure about the company’s authenticity and product quality.

⇒ Click Here to Visit the Official Website of 3Chi for the Best Offers

THC Oil Vape Cartridges: A Buying Guide

In your quest to find the most suitable delta-8 THC oil vape cartridge for you, our buying guide will train your thought in the right direction to enable you to purchase good-quality, safe, and potent THC cartridges.

This buying guide lists some of the critical factors that should influence your assessment of a brand or a delta-8 THC oil vape cartridge. These factors include:

Hemp Source 

Check the company’s source of hemp. Remember that most quality hemp is U.S.-grown or sourced from Europe. These countries have specific regulations in place to ensure quality and safety. That is why it is safe to rely on brands that source extracts from hemp grown in the U.S. or the E.U.

THC Levels

Verify the THC levels in a product. Since the federal limit for delta-9 THC is 0.3%, it is always better to check its level in the product, which you can do by reading the lab test report.

Ingredients List

Check the list of ingredients thoroughly. Whether you are looking for an oil vape cartridge, edibles, tinctures, or topicals, make sure you check the ingredients. Look out for the mention of additives, synthetic flavorings, colors, preservatives, or any other component that seems out of place. Also, check for possible allergens.

Extract Type

Check whether the brand uses full-spectrum, broad-spectrum, or isolates. If you are looking for a product that includes other cannabinoids and terpenes, choose a brand that offers full-spectrum products.

Third-party Lab-tested Products

Buy only third-party lab-tested goods. Third-party lab tests allow customers to identify the substances they are going to feed into their system.

Customer-Reviewed Products

Go through customer reviews thoroughly. It will help you get an idea of the overall reputation of the brand in the industry.

Other Points to Note

Delta-8 products are regarded as safe by customers, companies, and studies. So, one thing is sure — if you are planning to start vaping delta-8, it will be a lot safer than smoking nicotine or marijuana. Delta-8 ensures a safe high that relaxes you, reduces stress, and helps with disturbed sleep. Plus, it is non-addictive.

To effectively use delta-8 for pain, anxiety, stress, or sleeplessness, be aware of your health conditions and choose a delivery method that you are comfortable with. You can select delta-8 edibles, oils, topicals, or vapes. Though vaping works faster than the other delivery methods, people with lung issues should avoid vaping altogether.

Before purchasing any THC oil vape cartridge, check the potency of the product. Remember, when it comes to dosage, it is not the same as CBD. We recommend you start with small amounts and lower potency products and gradually increase the dose as and when needed.

It is always best to consult your doctor, especially if you have any pre-existing health conditions. Start with a minuscule dose (or as recommended by your doctor) to avoid any adverse effects or chances of overdosing. Also, you can follow the brand’s standard dosage to stay safe while enjoying the maximum benefits of delta-8 THC.

Note: Delta-8 THC could have the same side effects as delta-9 THC when taken in very high doses.

FAQs Regarding THC Oil Cartridges

Q: Are There Any Side Effects of Vape Cartridges?

A: Vaping delta-8 is generally safe. No significant side effects have been reported yet. However, you may experience slightly harsher hits on the throat. Other than this, minor side effects such as dry mouth, dizziness, etc., may (or may not) be seen.

Since the experience with delta-8 THC may differ depending on factors, like health issues, age, weight, etc., the experience with delta-8 will also be different.

Q: Does THC Make You High?

A: Yes, it most certainly does. Delta-8 THC does make you feel high, but not in a negative way. It is known to trigger a mild yet powerful high that is profoundly relaxing and can help manage stress and anxiety. The type of euphoria delta-8 makes you feel is not like the terrible one that impairs coordination, causes paranoia, or clouds judgment. Delta-8 gives a high that is safe, subtle, relaxing, and legal.

Q: How Do I Store a Delta-8 Vape Cartridge?

A: Most of the brands suggest storing delta-8 vape cartridges at room temperature. Extreme temperatures may damage the overall quality and purity of the product. So, it is recommended you keep the vape cartridge in a cool, dark place, away from direct heat. Also, do not store them in a fridge. Normal room temperature ensures that the potency of the delta-8 THC cartridge is maintained long enough.

Q: Could Vape Cartridges Make Me Fail a Drug Test?

A: Yes. The chances are that consuming delta-8 THC will cause you to fail a drug test. It is because drug tests are designed to detect the presence of THC in the system, and being a THC variant, delta-8 THC can also be detected in these tests. So, it is better to avoid consuming this compound if you have an upcoming drug test.

Q: Does Vaping Help with Disturbed Sleeping Patterns?

A: Yes, it could. If you buy from an authentic and reputable brand, delta-8 THC vape cartridges can also help you beat sleep deprivation. Delta-8 THC binds with the CB1 receptors of the body’s endocannabinoid system, resulting in an induced sleep. Although more research is required to establish the relationship between delta-8 THC and sleep patterns, numerous customers with issues like insomnia, sleep apnea, and similar sleep disorders claim to have experienced positive results.

Q: What Is the Standard Dosage for Delta-8 THC?

A: Recommending an accurate dosage for delta-8 THC is not feasible since the tolerance level is different for everybody. While buying delta-8, ensure you start with a small dosage and gradually increase it after observing how your body reacts to the compound. Also, you can follow the standard dosage instructed by the delta-8 THC brand. Other than that, the best and safest way is to consult a medical practitioner before deciding on the dosage.

Conclusion – Should You Buy THC Carts Online?

With more consumers turning towards more natural ways to treat pain, anxiety, and everyday stress, high-quality delta-8 THC vape cartridges are indeed worth a try.

During our search for the best delta-8 vape cartridges, we found countless customer reviews praising the three THC cartridge brands we have reviewed in this article. These delta-8 vape carts are of premium quality, and you do not have to think twice before making a purchase.

The ingredients used in these vape cartridges are all-natural, organic, and safe to consume. Although we cannot guarantee the degree of efficiency of these vape carts, since people experience cannabinoids differently, we can assure you that you will enjoy your vaping experience without any significant side effects with these brands of products.

Since the final decision is yours to make, you can research delta-8 THC vape cartridges on your own, too. But, if too much research confuses you, we recommend choosing either Exhale Wellness or BudPop. Rest assured, you will have a positive experience.