Overall Brand Rating for C4 Healthlabs: 8/10

C4 Healthlabs is a company born from a father’s desire to use cannabidiol (CBD) oil to help his son with autism.

The South Carolina-based CBD company has taken this desire to a new level as it aims to provide safe and high-quality products people would gladly share with their families.

For its CBD products, C4 Healthlabs uses organic, insecticide-free, and non-genetically modified hemp plants from Cannabis sativa. The brand also uses a proprietary extraction and distillation process to produce high-purity CBD oil.

Each product batch undergoes third-party lab testing. However the latest results are only provided upon your request. As of October 2020, the certificates of analysis (COA) available on the website were published in 2019.

Currently, C4 Healthlabs has a limited product offering. The brand’s best-selling products are its full-spectrum CBD oils and its CBD-infused lip balm.

Although C4 Healthlabs product prices are high, consumers can get more than the amount of CBD advertised on the packaging. For example, the 500mg organic full-spectrum hemp extract CBD oil has 720mg of CBD, based on the available data from September 2019.

C4 Healthlabs ships to the US, UK, and Australia. Additionally, customers get a 30-day money-back guarantee so they can receive full refunds for select CBD oil products. 

Looking for something different? See our top CBD Oil for 2021.

Best Products from C4 Healthlabs

Most fast-acting CBD gel

C4 Healthlabs CBD Muscle Gel

This muscle gel is lightweight and fast-absorbing. It is best for the aches caused by inflammation and tension.
C4 Healthlabs CBD Muscle Gel
  • Overall Clinical Score
    99%
    Most fast-acting CBD gel
  • Score breakdown
    Value
    Quality
    Strength
    Customer Service
    Lab Testing Transparency
    Effectiveness
  • Summary

    This C4 Healthlabs CBD Muscle Gel offers 1000 mg of CBD in a 1.7oz of a bottle. The product is 3rd party lab-tested.

    Pros
    Cons
    •  3rd party lab-tested. Test result is currently available on site
    •  Free Shipping for Orders Over $75.00
    •  Full list of ingredients available
    •  No Flavor available
  • Features
    Discount pricing available? Free Shipping for Orders Over $75.00
    Source
    Source of Hemp
    Tennesee
    Form Gel
    Ingredients Organic aloe leaf juice, CBD*, meadowfoam seed oil, menthol crystals, full spectrum hemp extract, capsicum fruit oleoresin, white camphor bark oil, sweet basil leaf oil, black pepper oil, Roman chamomile flower oil, German chamomile flower oil, cinnamon leaf oil, citronella oil, eucalyptus leaf oil, helichrysum flower oil, ginger root oil, pink grapefruit peel oil, juniper berry oil, lemongrass oil, rosemary leaf oil, spearmint oil, wild oregano oil, glycerin, witch hazel, water, organic alcohol, phenoxyethanol, carbomer, triethanolamine, tetrasodium glutamate diacetate *full spectrum CBD oil is used within the full spectrum muscle gel, CBD isolate is used in the 0 THC muscle gel
    Type
    Type of CBD
    Available in Full Spectrum and THC-Free
    Extraction
    Extraction Method
    Undergoes a proprietary two-step extraction and distillation process using organic ethanol
    How to take it Apply directly to the area of need. For topical use only. Do not ingest.
    Potency
    Potency - CBD Per Bottle
    1000 mg
    Carrier Oil Not Specified
    Concentration
    CBD Concentration Per Serving
    588.24mg/serving
    Drug Test For Full Spectrum: There may be a slight chance that it will show on positive for THC on a drug test For THC-Free: Not Applicable
    Flavours No Flavor
    Price Range $99.00
    $/mg CBD
    Price ($/mg)
    $10.10/mg
    Shipping
    Shipping/Time to delivery
    Orders are processed and shipped Monday through Friday. Orders received before 12:00 noon ET are guaranteed to ship the same day. Orders placed on Saturday, Sunday, and select holidays are processed the next business day.
    Lab Tests
    Lab Testing Transparency
    3rd party lab-tested. Test result is currently available on site
    Contaminants Paraben free
    Allergens Nothing Indicated
    Refund policy 30 Day Money Back Guarantee
    Recommended for CBD users/starters
    Countries served USA, Australia, United Kingdom
Check Latest Prices

Most fast-absorbing CBD lotion

C4 Healthlabs THC-Free CBD Lotion

This formulation gives you the relaxing effect o going to a spa. This is perfect for people who are suffering from skin irritations and muscle pains.
C4 Healthlabs THC-Free CBD Lotion
  • Overall Clinical Score
    99%
    Most fast-absorbing CBD lotion
  • Score breakdown
    Value
    Quality
    Strength
    Customer Service
    Lab Testing Transparency
    Effectiveness
  • Summary

    The C4 Healthlabs THC-Free CBD Lotion offers a 1000 mg of CBD per 2 oz of a bottle. The product is formulated with natural ingredients.

    Pros
    Cons
    •  All ingredients are included on the site
    •  Paraben free
    •  No possible allergens indicated
    •  No instructions on how to use
  • Features
    Discount pricing available? Free Shipping for Orders Over $75.00
    Source
    Source of Hemp
    Tennesee
    Form Lotion
    Ingredients Hemp Extract CBD, Aloe Leaf Juice*, Cocoa Butter*, Emulsifying Wax NF, Shea Butter*, Jojoba Seed Oil*, Glycerin, Vitamin E, Sunflower Seed Oil, Phenoxyethanol, Sweet Basil Leaf Oil, Black Pepper Oil, Roman Chamomile Flower Oil, German Chamomile Flower Oil, Cinnamon Leaf Oil, Citronella Oil, Eucalyptus Leaf Oil, Helichrysum Flower Oil, Ginger Root Oil, Pink Grapefruit Peel Oil, Juniper Berry Oil, Lemongrass Oil, Peppermint Oil, Scotch Pine Needle Oil, Ravensara Oil, Rosemary Leaf Oil, Spearmint Oil, Wild Oregano Oil, Tamanu Oil, Carrot Seed Oil, Kukui Nut Seed Oil, Borage Seed Oil*, Olive Fruit Oil*, Arnica Flower Extract*, White Willow Bark Extract*, Neem Seed Oil*, Rosemary Leaf Extract*, Sunflower Seed Oil*, Alcohol*, Xanthan Gum, Tetrasodium Glutamate Diacetate Purified Water, Coconut Oil Ester (Octyl Palmitate), Blend Of Apricot Oil (Prunus Armeniaca), Sesame Oil (Sesamum Indicum) And Grapeseed Oil (Vitis Vinifera), Canola Oil (Brassica Napus), Glycerin, Grapeseed Extract (Vitis Vinifera), Carbomer, Germal, Dimethicone, Tea. Iodopropynyl Butylcarbamate *Organic Ingredients
    Type
    Type of CBD
    Isolate
    Extraction
    Extraction Method
    Undergoes a proprietary two-step extraction and distillation process using organic ethanol
    How to take it Nothing Indicated
    Potency
    Potency - CBD Per Bottle
    1000 mg
    Carrier Oil Essential Oils
    Concentration
    CBD Concentration Per Serving
    33.33 mg
    Drug Test Not Applicable
    Flavours Soothing Mint
    Price Range $99.00
    $/mg CBD
    Price ($/mg)
    $0.09/mg
    Shipping
    Shipping/Time to delivery
    Orders are processed and shipped Monday through Friday. Orders received before 12:00 noon ET are guaranteed to ship the same day. Orders placed on Saturday, Sunday, and select holidays are processed the next business day.
    Lab Tests
    Lab Testing Transparency
    3rd party lab-tested. Test result is currently available on site
    Contaminants Paraben free
    Allergens Nothing Indicated
    Refund policy 30 Day Money Back Guarantee
    Recommended for People who are experiencing muscular aches and pains
    Countries served USA, Australia, United Kingdom
Check Latest Prices

Most delicious serving of your daily CBD

C4 Healthlabs Full Spectrum CBD Gummies

This product is perfect for CBD starters to promote balance and wellness. It will give you the support you need day and night.
C4 Healthlabs Full Spectrum CBD Gummies
  • Overall Clinical Score
    99%
    Most delicious serving of your daily CBD
  • Score breakdown
    Value
    Quality
    Strength
    Customer Service
    Lab Testing Transparency
    Effectiveness
  • Summary

    This C4 Healthlabs Full Spectrum CBD Gummies offers a 10 calories per serving to give you the energy for your day-to-day routine. It is allergen free and can be condumed halved for lower doses.

    Pros
    Cons
    •  The summary of the product is detailed
    •  COA can be accessed easily
    •  Only 1 flavour available
  • Features
    Discount pricing available? Free Shipping Orders Over $75.00
    Source
    Source of Hemp
    Tennesee
    Form Gummies
    Ingredients Water, sugar, corn syrup, pectin, natural flavors, cannabidiol (CBD) from full spectrum hemp extract, sodium bicarbonate, citric acid, natural fruit and vegetable concentrations (for color)
    Type
    Type of CBD
    Full Spectrum
    Extraction
    Extraction Method
    Undergoes a proprietary two-step extraction and distillation process using organic ethanol
    How to take it Can be halved for lower doses
    Potency
    Potency - CBD Per Bottle
    900 mg
    Carrier Oil Not Specified
    Concentration
    CBD Concentration Per Serving
    25 mg/serving
    Drug Test Less than 0.3% THC (non-psychoactive)
    Flavours Fruit Flavor
    Price Range $79.00
    $/mg CBD
    Price ($/mg)
    $0.88/mg CBD
    Shipping
    Shipping/Time to delivery
    Orders are processed and shipped Monday through Friday. Orders received before 12:00 noon ET are guaranteed to ship the same day. Orders placed on Saturday, Sunday, and select holidays are processed the next business day.
    Lab Tests
    Lab Testing Transparency
    3rd party lab-tested. Test result is currently available on site
    Contaminants Nothing Indicated
    Allergens Dairy free, fat free, gluten free, MSG free, and nut free
    Refund policy 30 Day Money Back Guarantee
    Recommended for CBD users/starters
    Countries served USA, Australia, United Kingdom
Check Latest Prices

Most Ultra-Pure CBD Oil

C4 Healthlabs THC-Free CBD Oil

All ingredients are tested to ensure the quality of giving the extra relief that the users would feel. It also includes therapeutic-grade citrus essential oil.
C4 Healthlabs THC-Free CBD Oil
  • Overall Clinical Score
    99%
    Most Ultra-Pure CBD Oil
  • Score breakdown
    Value
    Quality
    Strength
    Customer Service
    Lab Testing Transparency
    Effectiveness
  • Summary

    This C4 Healthlabs THC-Free CBD Oil offers a 1000 mg of CBD per 30 ml of bottle. It is considered as the top seller among civil servants. The product is 3rd party lab-tested to ensure quality and safety.

    Pros
    Cons
    •  Can be taken day or night
    •  Instructions on how to use is indicated
    •  Contains coconut
  • Features
    Discount pricing available? Free Shipping for Orders Over $75.00
    Source
    Source of Hemp
    Tennessee
    Form CBD Oil
    Ingredients Hemp Extract CBD Oil, Organic MCT (Medium-chain triglyceride) Oil from Coconuts, Cold Pressed Citrus Essential Oil
    Type
    Type of CBD
    Isolate
    Extraction
    Extraction Method
    Undergoes a proprietary two-step extraction and distillation process using organic ethanol
    How to take it For fastest absorption, shake well, place CBD oil under the tongue and hold for 60-90 seconds before swallowing.
    Potency
    Potency - CBD Per Bottle
    1000 mg
    Carrier Oil MCT Coconut Oil
    Concentration
    CBD Concentration Per Serving
    Provides 33.3mg of CBD per 1mL serving
    Drug Test Not Applicable
    Flavours Citrus, Natural
    Price Range $99.00
    $/mg CBD
    Price ($/mg)
    $0.099/mg
    Shipping
    Shipping/Time to delivery
    Orders are processed and shipped Monday through Friday. Orders received before 12:00 noon ET are guaranteed to ship the same day. Orders placed on Saturday, Sunday, and select holidays are processed the next business day.
    Lab Tests
    Lab Testing Transparency
    3rd party lab-tested. Test result is currently available on site
    Contaminants Nothing Indicated
    Allergens Contains coconut
    Refund policy 30 Day Money Back Guarantee
    Recommended for CBD users/starters
    Countries served USA, Australia, United Kingdom
Check Latest Prices

Most Natural CBD Oil

C4 Healthlabs Organic Full Spectrum CBD Oil

C4 Healthlabs Organic Full Spectrum CBD Oil gives you the effects you truly deserve from organic Tennesse hemp. It gives you therapeutic benefits of CBD that comes with a citrus flavor.
C4 Healthlabs Organic Full Spectrum CBD Oil
  • Overall Clinical Score
    99%
    Most Natural CBD Oil
  • Score breakdown
    Value
    Quality
    Strength
    Customer Service
    Lab Testing Transparency
    Effectiveness
  • Summary

    This CBD Oil product is made organically and is cruelty safe. It is also convenient to use either day or night. MCT Coconut Oil is used as its carrier oil.

    Pros
    Cons
    •  3rd party lab-tested. Test result is currently available on site
    •  Free Shipping for Orders Over $75.00
    •  Contains coconut
    •  Only 1 flavor available
  • Features
    Discount pricing available? Free Shipping for Orders Over $75.00
    Source
    Source of Hemp
    Tennessee
    Form CBD Oil
    Ingredients Organic Full Spectrum Hemp Extract CBD Oil, Organic MCT (Medium-chain triglyceride) Oil from Coconuts, Cold Pressed Citrus Essential Oil
    Type
    Type of CBD
    Full Spectrum
    Extraction
    Extraction Method
    Undergoes a proprietary two-step extraction and distillation process using organic ethanol
    How to take it For fastest absorption, shake well, place CBD oil under the tongue and hold for 60-90 seconds before swallowing.
    Potency
    Potency - CBD Per Bottle
    500mg-2000mg
    Carrier Oil MCT Coconut Oil
    Concentration
    CBD Concentration Per Serving
    16.66mg-66.66mg
    Drug Test There may be a slight chance that it will show on positive for THC on a drug test
    Flavours Citrus
    Price Range $69.00 – $189.00
    $/mg CBD
    Price ($/mg)
    $0.14/mg-$0.95/mg
    Shipping
    Shipping/Time to delivery
    Orders are processed and shipped Monday through Friday. Orders received before 12:00 noon ET are guaranteed to ship the same day. Orders placed on Saturday, Sunday, and select holidays are processed the next business day.
    Lab Tests
    Lab Testing Transparency
    3rd party lab-tested. Test result is currently available on site
    Contaminants Nothing Indicated
    Allergens Contains coconut
    Refund policy 30 Day Money Back Guarantee
    Recommended for CBD users/starters
    Countries served USA, Australia, United Kingdom
Check Latest Prices

C4 Healthlabs Company Summary

  • C4 Healthlabs is a South Carolina-based CBD company that mainly offers full-spectrum CBD products, although it now also provides THC-free oils and lotions.
  • C4 Healthlabs claims its products are made from Tennessee-grown organic seedless hemp plants using a proprietary two-step extraction process.
  • The certificates of analyses (COAs) for C4 Healthlabs products are not readily available, despite the brand’s support for transparency and third-party lab testing. 
  • Products with available COAs on the C4 Healthlabs website have a higher CBD potency and concentration than advertised.

C4 Healthlabs Pros and Cons

Pros Cons
CBD potency exceeds the advertised amount Limited and outdated COAs on the website
Full-spectrum and THC-free products Limited product offerings
Organic, non-GMO, BPA-free, and cruelty-free products Limited returns policy
Two-step extraction and distillation process
Ships to the UK and Australia

Pros of C4 Healthlabs

  • Products with COAs on the C4 Healthlabs website show a higher CBD potency and concentration than the amount advertised on the packaging and product description.
  • The brand offers both full-spectrum and THC-free CBD products.
  • C4 Healthlabs claims that its products are organic, non-GMO, BPA-free, and cruelty-free products, with no harmful additives. BPA or bisphenol A is a chemical that has been linked to cancer, obesity, and other medical conditions(1).
  • The company claims to use a 36-hour proprietary two-step extraction and distillation process for ultra-pure CBD oil.
  • C4 Healthlabs offers shipping to the United Kingdom and Australia.

Cons of C4 Healthlabs

  • COAs on the C4 Healthlabs website are outdated. Customers must contact the company to request the latest lab test results.
  • C4 Healthlabs only has 14 items available for purchase on its website, eight of which are CBD oils with varying concentrations and formulation.
  • Only unopened 500mg and 1,000mg CBD oil products are eligible for returns.

Review of C4 Healthlabs Products

C4 Healthlabs Full-spectrum Hemp Extract CBD Oil (1,000mg)

The C4 Healthlabs full-spectrum CBD oil comes in natural and citrus flavors. Both versions are well-reviewed on the brand’s online store, with over 479 five-star reviews in total.

The full-spectrum CBD oils offer benefits for chronic pain relief(2). The brand’s CBD oils can also be used by people dealing with high blood pressure(3).C4 Healthlabs’ CBD-infused lip balm contains organic beeswax and lavender and frankincense essential oils for lip hydration and skin care.

C4 Healthlabs recommends using a full dropper or 1ml of their full-spectrum CBD oil sublingually or holding the oil under the tongue for at least 60 seconds before swallowing. Sublingual CBD intake has been shown to be an effective way of taking CBD(4).

C4 Healthlabs CBD-infused Lip Balm

C4 Healthlabs’ CBD-infused lip balm contains organic beeswax and lavender and frankincense essential oils for lip hydration and skin care.

The lip balm also contains full-spectrum CBD for more therapeutic benefits. CBD products, such as the CBD-infused lip balm, have great potential to aid in better sleep and mental health(5).The brand states that the lotion is a popular product for customers with muscle, joint, and back pain. Topical application of CBD is shown to have effective health benefits as an anti-inflammatory treatment(6).

The C4 Healthlabs CBD lip balm is also a good product to help ease first-time users into using CBD products.

C4 Healthlabs THC-free CBD Topical Lotion (1,000mg)

The C4 Healthlabs THC-free CBD Topical Lotion with 1,000mg of CBD is a new offering from the company. 

The brand states that the lotion is a popular product for customers with muscle, joint, and back pain. Topical application of CBD is shown to have effective health benefits as an anti-inflammatory treatment(6).

Despite CBD’s potential benefits, C4 Healthlabs always makes disclaimers, as per the Food and Drug Administration (FDA) regulations.

The company reminds customers to seek medical advice before taking any CBD products, especially when taking prescription medications.

Product Summary

Recommended for Optimizing wellness
Source of Hemp Tennessee
Popular Products Organic Full-spectrum Hemp Extract CBD Oil Citrus (1,000mg)

Organic Full-spectrum Hemp Extract CBD Oil Natural (1,000mg)

Types Sold Full-spectrum CBD and THC-free CBD products
Range of Products/Forms CBD oils, CBD lotion, CBD-infused dark chocolate, CBD-infused lip balm, and liposomal dietary supplements
Price Range From $8 for the CBD-infused lip balm to $189 for the Organic Full-spectrum Hemp Extract CBD Oil 2,000mg (natural and citrus flavors)
Extraction Method Extraction and distillation process
Lab Testing Transparency & Availability Limited and outdated third-party lab results available on the brand 

website

CBD Concentration per Serving Range 30ml bottle of Organic Full-Spectrum Hemp Extract CBD Oil Natural may contain 720mg to 2,176.2mg of CBD (based on September 2019 lab results)
Potency 30ml bottle of Organic Full-spectrum Hemp Extract CBD Oil Natural may contain 24mg/g to 72.54mg/g of CBD (based on September 2019 lab results)
THC Range of Products % Less than 0.3% THC or THC-free
Flavors CBD oils: natural flavor and citrus flavor

CBD lotion: soothing mint

CBD lip balm: lavender and frankincense mix

Tincture Carrier Oil MCT oil from coconuts
Lab Results Latest third-party lab test results available upon customer request
Shipping/Delivery Offers free shipping on orders over $79. Ships via USPS. Delivery takes 3-4 days. Ships internationally.
Guarantee 30-day money-back guarantee
Refund Policy Returns accepted only for 500mg and 1,000mg CBD oil products
Contaminants Zero contaminants
Vegan and Gluten-Free No information available
Customer Service Email info@c4healthlabs.com

For US customers, call (864) 334-8525

For UK & Australia customers, call +44-203-746-3199

Country Served United States, United Kingdom, and Australia

C4 Healthlabs products are intended for optimizing wellness for positive health and a more productive life. The brand claims that its CBD products are formulated to maximize the therapeutic effects of CBD.

Source of Hemp

C4 Healthlabs sources its hemp from organic growers in Tennessee.

The best-selling C4 Healthlabs products are the CBD oils, particularly the Organic Full-Spectrum Hemp Extract CBD Oil (1,000mg) in citrus and natural flavors.

The brand’s CBD-infused lip balm and CBD dark chocolate also have positive product reviews on the website.

Types Sold

C4 Healthlabs sells full-spectrum and THC-free CBD oils and products.

Range of Products/Forms

C4 Healthlabs offers CBD oils, CBD topicals (lotion and lip balm), CBD edible products (dark chocolate bar), and liposomal vitamin supplements.

Price Range

C4 Healthlabs’ product prices range from $8 for a full-spectrum CBD lip balm to $189 for the Organic Full-spectrum Hemp Extract CBD Oil with 2,000mg of CBD.

Extraction Method

C4 Healthlabs claims to use a 36-hour proprietary two-step extraction method that utilizes organic ethanol and coconut-derived medium-chain triglyceride oil (MCT).

The company also claims to use a double distillation process that produces cannabinoid oils with almost no residual hemp taste or odor.

Lab Testing Transparency

As of October 2020, the latest third-party lab test results are only available upon request. COAs posted on the website were published in September 2019. 

CBD Concentration per Serving Range

The September 2019 COAs for C4 Healthlabs’ Organic Full-Spectrum Hemp Extract CBD Oil in natural flavor indicate that a 30ml bottle may contain 720mg to 2,176.2mg of CBD.

Potency

The September 2019 COAs for C4 Healthlabs’ Organic Full-spectrum Hemp Extract CBD Oil in natural flavor indicate that a 30ml bottle may contain 24mg/g to 72.54mg/g of CBD.

THC Range of Products %

Full-spectrum CBD products contain trace amounts or less than 0.3% of THC.

C4 Healthlabs’ full-spectrum offerings come without the side effects of getting “high.” The trace amounts of THC also means that the drug remains legal in the US federally. However, these trace amounts may still be detected by some drug tests.

Flavors

C4 Healthlabs CBD oils have two flavor options: natural and citrus. The CBD-infused lip balm has a mix of lavender and frankincense essential oil for flavor, while the THC-free lotion comes in soothing mint.

Tincture Carrier Oil

C4 Healthlabs uses organic, coconut-derived MCT oil.

Lab Results

Each batch of C4 Healthlabs CBD oils and products undergo third-party lab testing.

Shipping/Delivery

C4 Healthlabs ships domestic orders via USPS priority mail express and priority mail. Delivery takes between three to four days.

International orders to the UK and Australia are shipped through UPS Worldwide Economy.

Guarantee

The brand offers a 30-day money-back guarantee.

Refund Policy

Customers must email their refund requests within 30 days. C4 Healthlabs requires products to be returned for customers to receive a refund, which excludes shipping costs.

However, only the 500mg and 1,000mg CBD oil products are eligible for returns. Additionally, only unopened products and domestic orders are accepted for returns.

Contaminants

C4 Healthlabs claims that its products have zero contaminants.

Vegan and Gluten-Free

C4 Healthlabs does not state whether its products are vegan and gluten-free.

Customer Service

US customers may call C4 Healthlabs at (864) 334-8525, while international customers may call +44-203-746-3199.

Customers may also send their concerns to info@c4healthlabs.com.

Country Served

C4 Healthlabs ships to the US, UK, and Australia.

More About C4 Healthlabs

C4 Healthlabs products may be expensive, however, the brand provides discounts to help consumers afford its CBD oils and products.

The company provides a 20% discount for civil servants. Aside from active-duty military personnel and veterans, this discount also includes military dependents, first responders, like police and firemen, and teachers.

C4 Healthlabs also offers coupon codes and store credits for customers who are part of the brand’s referral program.

Conclusion

C4 Healthlabs offers organic, high-quality, and natural products. Its best-selling products are the CBD oils and topicals. The brand also offers health and wellness products like liposomal dietary supplements.

Despite the limited product catalog, the company is still able to provide products for customers that prefer full-spectrum CBD and for those who want THC-free products. 

C4 Healthlabs products have high CBD concentrations and potency, some of which exceed the packaging’s advertised amount.

Customers looking for a good CBD product can read the hundreds of positive C4 Healthlabs reviews on the website, before they select and checkout their orders.


  1. Almeida, S., Raposo, A., Almeida‐González, M. and Carrascosa, C. (2018), Bisphenol A: Food Exposure and Impact on Human Health. Comprehensive Reviews in Food Science and Food Safety, 17: 1503-1517. doi:10.1111/1541-4337.12388
  2. Cameron, E.C., Hemingway, S.L. Cannabinoids for fibromyalgia pain: a critical review of recent studies (2015–2019). J Cannabis Res 2, 19 (2020). https://doi.org/10.1186/s42238-020-00024-2  
  3. Jadoon, K. A., Tan, G. D., & O’Sullivan, S. E. (2017). A single dose of cannabidiol reduces blood pressure in healthy volunteers in a randomized crossover study. JCI insight, 2(12), e93760. https://doi.org/10.1172/jci.insight.93760 
  4. Larsen, C., & Shahinas, J. (2020). Dosage, Efficacy and Safety of Cannabidiol Administration in Adults: A Systematic Review of Human Trials. Journal of clinical medicine research, 12(3), 129–141. https://doi.org/10.14740/jocmr4090 
  5. Khan, R., Naveed, S., Mian, N. et al. The therapeutic role of Cannabidiol in mental health: a systematic review. J Cannabis Res 2, 2 (2020). https://doi.org/10.1186/s42238-019-0012-y 
  6. Hammell, D. C., Zhang, L. P., Ma, F., Abshire, S. M., McIlwrath, S. L., Stinchcomb, A. L., & Westlund, K. N. (2016). Transdermal cannabidiol reduces inflammation and pain-related behaviours in a rat model of arthritis. European journal of pain (London, England), 20(6), 936–948. https://doi.org/10.1002/ejp.818 
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