How Much CBD Should I Take? Dosage Chart by Goal

How Much CBD Should I Take? The Short Answer

Most adults start with 10 to 25 mg of CBD once a day, stay there for a week, then raise the dose by 5 to 10 mg at a time; many people settle between 25 and 50 mg a day. Anxiety studies that found an effect used much more — 300 mg in a single dose — and the UK Food Standards Agency advises healthy adults to keep CBD from food to 10 mg a day. One Diesel Hemp soft gel is 25 mg.

There is no official CBD dose. The FDA has not approved CBD for anxiety, pain or sleep, and it says unapproved products have not been evaluated for "what the proper dosage may be" (FDA). What does exist is a pile of human studies, each with a dose attached. This guide lays those doses out by goal — anxiety, pain, sleep and everyday use — shows the math for soft gels, gummies and oil, and covers the cautions that should cap your dose: liver enzymes and drug interactions. Every number links to the study or agency it came from. Reviewed November 10, 2026.

By Marc Brannigan, COO & co-founder, Diesel Hemp · Part of our CBD dosing and soft gel series

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CBD Dosage Chart by Goal (mg)

The "common starting dose" column reflects typical label and clinician guidance; the study columns are what researchers actually gave. Most consumer doses sit far below the trial doses that produced measurable effects (Arnold 2023 review).

How Much CBD Oil Should I Take for Anxiety?

For everyday stress, most people start at 10 to 25 mg of CBD a day and adjust weekly. In controlled anxiety trials, the dose that worked was much higher: 300 mg taken once, about 1.5 hours before a stressful task, reduced anxiety in two public-speaking studies, while 600 mg reduced anxiety in people with diagnosed social anxiety. Those are research doses, not label directions, so talk to a doctor before going anywhere near them.

Here is what each anxiety study actually used:

• Zuardi 2017: 60 healthy adults gave a real speech after placebo, the sedative clonazepam (1 mg) or CBD at 100, 300 or 900 mg. Only clonazepam and 300 mg of CBD lowered anxiety scores, and clonazepam was more sedating than CBD (Front Pharmacol).
• Linares 2019: 57 healthy men took 150, 300 or 600 mg before a simulated speech. Again, only 300 mg differed from placebo (Braz J Psychiatry).
• Bergamaschi 2011: 24 people with untreated social anxiety disorder took 600 mg or placebo 90 minutes before a speech test. CBD reduced anxiety, cognitive impairment and discomfort during the speech (Neuropsychopharmacology).
• Masataka 2019: 37 Japanese 18- and 19-year-olds with social anxiety took 300 mg a day of CBD oil or placebo for four weeks. CBD lowered scores on both anxiety scales used (Front Psychol).
• Berger 2022: 31 young people with anxiety that had not responded to standard treatment took CBD titrated up to 800 mg a day for 12 weeks. Anxiety severity fell 42.6%, but there was no placebo group and 80.6% reported side effects such as fatigue (open-label trial).
• Shannon 2019: in a psychiatric clinic, most of 72 adults took 25 mg a day in capsule form. Anxiety scores dropped in 79.2% within the first month — but this was a chart review with no placebo (Perm J).

The honest counterweight: a 2025 randomized trial gave 180 stressed students an over-the-counter full-spectrum CBD oil, titrated up to 1 mg per kg (a maximum of 85 mg a day), or a placebo oil for 30 days. Both oil groups improved more than a no-oil group, and CBD did no better than placebo on any outcome (Winkler 2025). A review of every adult trial at or below 400 mg a day concluded that benefits became "more clearly evident" at 300 mg and above (Arnold 2023).

So what should you do with that? If you use CBD as part of a calm-down routine, a consistent 25 to 50 mg a day is where most people land, and the expectation should be subtle. If you are dealing with a diagnosed anxiety disorder, CBD is not a replacement for care; bring the studies above to your doctor. Curious how CBD compares with its sleepier cousin? See CBN for anxiety and CBN vs. CBD.

What Level of CBD Is Best for Anxiety?

In the trials that tested several doses side by side, 300 mg was the level that reduced anxiety; 100 to 150 mg and 600 to 900 mg did not separate from placebo in healthy volunteers. That bell-shaped result is why "just take more" is bad advice with CBD. In people with diagnosed social anxiety, 600 mg once and 300 mg daily for four weeks also helped (Bergamaschi 2011; Masataka 2019).

No study has found a single "best" consumer dose. Most products sell 10 to 50 mg servings, which sits below the research range — which is fine for a daily ritual, but you should know the gap exists.

Is 10, 20, 30 or 50 mg of CBD Enough?

These four questions dominate Google's "People also ask" box for CBD dosing, so here are straight answers.

Is 10 mg of CBD enough to do anything?

For some people, 10 mg is a reasonable first dose, but no controlled trial has shown a measurable effect at 10 mg. It is, however, the daily ceiling the UK Food Standards Agency recommends for healthy adults eating CBD foods — "about 4-5 drops of 5% CBD oil" (FSA). Half of one of our 20 mg CBD gummies gets you there.

Is 20 mg of CBD very much?

No. 20 mg is a low-to-moderate everyday dose — well under the 300 mg used in anxiety trials and far below prescription CBD. In a 12-week trial, 20 to 30 mg a day was well tolerated but did not beat placebo for hand-arthritis pain (Vela 2022). It is about double the UK's precautionary 10 mg limit, which is worth knowing if you take it every day for years.

Will 30 mg of CBD do anything?

Maybe, and it is close to what real users in a full-spectrum study took: about 35 mg of CBD a day. In that four-week trial, no one reported feeling high, but half the participants tested positive for THC on a urine screen because of the trace THC in full-spectrum oil (Dahlgren 2021). Most people who feel something at 30 mg describe it as "calmer" rather than a clear hit.

Is 50 mg of CBD enough to feel calm?

50 mg — two of our 25 mg soft gels — is a solid everyday dose and toward the high end of what most labels suggest, but it is still about one-sixth of the 300 mg that reduced anxiety in public-speaking trials. Whether you "feel calm" depends on the person, the product and what you are comparing against. Judge it over a week of consistent use, not one day.

How Much CBD Oil Should I Take for Pain?

An international expert panel recommends starting at 5 mg of CBD twice a day, raising it by 10 mg every two to three days, and capping CBD-only dosing at about 40 mg a day before a clinician considers adding THC. That protocol is a consensus opinion, not a trial result (Bhaskar 2021, J Cannabis Res). A more conservative version starts at 5 mg once a day.

The trial data on CBD alone for pain are thin. In a randomized, placebo-controlled study of 136 adults with hand osteoarthritis or psoriatic arthritis, 20 to 30 mg of synthetic CBD a day for 12 weeks made no difference: the gap in pain scores between groups was 0.23 mm on a 100 mm scale, and 22% on CBD versus 21% on placebo had a big drop in pain (Vela 2022, Pain). The Arnold review described pain effects at doses up to 400 mg a day as "more marginal and less consistent" than anxiety effects (Arnold 2023).

Does CBD actually help with chronic pain?

The evidence is mixed: lab and animal research is promising, but controlled human trials of CBD alone at everyday doses have mostly not beaten placebo. Many people still use it as part of a routine, and some protocols pair CBD with small amounts of THC (Jugl 2023). For the THC side of that conversation, see delta-9 THC and microdosing THC.

Which CBD oil is best for chronic pain?

No product has been proven better for pain, so judge on what you can verify: a current certificate of analysis for the exact batch, a clear mg-per-serving number, and a spectrum (full, broad or isolate) that fits your drug-test situation. If measuring drops is the hard part, a fixed-dose soft gel or gummy removes the guesswork. We compare formats in CBD oil vs. capsules and rank oils in best full-spectrum CBD oil.

How Much CBD Should I Take for Sleep?

Most people try 25 to 50 mg of CBD 30 to 60 minutes before bed. Sleep trials used more — 150 mg and 300 mg — with mixed results: 150 mg nightly matched placebo on most sleep measures, while 300 mg plus terpenes added a small 1.3% to time in deep and REM sleep.

• Narayan 2024: 30 adults with moderate-to-severe insomnia took 150 mg of CBD or placebo under the tongue an hour before bed for two weeks. Insomnia severity, time to fall asleep and night waking did not differ; the CBD group reported better well-being (J Clin Sleep Med).
• Wang 2025: 125 adults with insomnia took 300 mg of CBD with eight terpenes (including linalool and myrcene, 1 mg each). Time in deep plus REM sleep rose 1.3% over placebo (95% CI 0.1–2.5%), with no change in total sleep time (J Clin Sleep Med).
• Shannon 2019: sleep scores improved in 66.7% of patients in month one, but the improvement "fluctuated over time" (Perm J).

Because the sleep data for CBD alone are soft, a lot of night routines lean on CBN or a small dose of THC instead. Our guides to CBN dosage, THC for sleep and how much THC for sleep cover those options with the same sourcing.

How Much CBD Should I Take a Day?

For everyday use, 10 to 50 mg a day covers most people. There is no official U.S. daily limit; the UK advises healthy adults to stay at or under 10 mg a day from food, and a 2025 FDA-run trial found liver enzyme spikes in 5.6% of healthy adults taking 5 mg per kg a day — about 350 mg for a 70 kg (154 lb) person.

Put the numbers on one line and the picture is clear. Label servings of 10 to 50 mg sit at the low end. Research doses of 150 to 800 mg sit in the middle. Prescription Epidiolex starts at 2.5 mg/kg twice a day and can go to 20 mg/kg a day — around 1,400 mg for that same 70 kg adult — under a doctor's care with blood tests (FDA label). That prescription range is for seizure disorders; it is not a guide for supplement use.

How Much CBD Should I Take the First Time?

Take 10 to 25 mg once, ideally with a meal, and do not take more that day. If it agrees with you, repeat the same dose daily for a week before raising it by 5 to 10 mg. Going slowly matters more with CBD than most supplements because it builds up: with daily oral use its half-life is 2 to 5 days (Millar 2018), so day seven is not the same as day one.

A start-low ladder using fixed doses

Keep a two-line note each day: dose, time, food, and one rating (sleep, stress or soreness, 1 to 10). After two weeks you will know more than any dosing chart can tell you. If you feel tired, groggy or have stomach upset, drop back to the previous step.

How Do You Calculate a CBD Dose? Soft Gels, Gummies and Oil

For soft gels and gummies, the math is on the label: one Diesel Hemp soft gel is 25 mg and one gummy is 20 mg. For oil, divide the bottle's total mg of CBD by its volume in mL to get mg per full dropper — a 1,000 mg, 30 mL bottle is about 33 mg per mL.

Two things the label math does not tell you. First, food changes how much reaches your blood: in a 2025 crossover study, 70 mg of CBD taken after a high-fat meal produced about 9.7 times more total exposure than the same dose on an empty stomach (Saals 2025). Pick one routine — with breakfast, or with dinner — and keep it. Second, oil drop size varies by dropper, so measure by the mL line, not by counting drops. Our CBD tincture guide walks through dropper math in more detail.

What "25 mg CBDA + CBD" means on our label

Our soft gels and gummies are made from extract that is not decarboxylated, so much of the cannabinoid content is CBDA, the raw acid form. On one tested Cherry Abacus soft gel lot, each soft gel contained 19.7 mg of CBDA plus 7.0 mg of CBD, which the lab reported as 24.27 mg of total potential CBD using the standard 0.877 conversion (see the COA table on our CBDA page and our test results). Most dosing studies above used CBD itself, so a milligram of CBDA is not a perfect one-to-one swap. In a Johns Hopkins study of full-spectrum soft gels with roughly equal CBD and CBDA, peak blood levels of CBDA were 19 to 25 times higher than CBD (Elder 2025). Higher blood levels do not automatically mean stronger effects, but it is one reason to start at one soft gel and see how you respond.

Strain-Specific CBD: Which Soft Gel Should You Pick?

Diesel Hemp's CBD soft gels and gummies are strain-specific: each variant — Cherry Abacus™, Lemon Abacus™ and Pinot G™ — is made from that one cultivar's own full-spectrum extract, so the dose is the same 25 mg per soft gel but the terpene profile changes from bottle to bottle. All three come from the Abacus line, bred in-house by Colorado CBD Seed, Diesel Hemp's own genetics company, and are grown in Colorado by Diesel Hemp and partner farms. The soft gel and gummy COAs posted on each product page match the stock we are shipping now.

Terpene lists come from the soft gel product page; percentages for the flower come from Diesel Hemp lab data on the strain page. Terpene content varies by batch — the posted COAs match current stock.

How to use this when dosing: keep the dose the same and let the strain choose the time of day. Lemon Abacus, with terpinolene and limonene up front, is the one most people reach for in the morning. Cherry Abacus leads with myrcene, the terpene we discuss most in night routines, so it slots in after dinner. Pinot G sits in between. If you switch variants, keep the milligrams constant for a week so you are comparing strains, not doses. Terpenes are present in modest amounts, and research on terpenes in people is early; treat this as a preference choice, not a treatment plan.

How Long Does CBD Take to Work?

Swallowed CBD usually takes 30 minutes to a few hours; human studies put peak blood levels between 0 and 4 hours after oral or under-the-tongue dosing. Food slows the peak but raises it (Millar 2018; Saals 2025). In the anxiety trials, people took CBD about 90 minutes before the stressful task, which is a useful rule of thumb for situational use (Bergamaschi 2011).

How quickly does CBD oil work for anxiety?

Expect a gentle shift within one to two hours of a dose, and a clearer read after one to two weeks of daily use as CBD builds up. In the four-week Masataka trial, anxiety was measured at the end of the month, not after the first dose (Masataka 2019).

How long does it take for CBD oil to kick in for pain?

The same 30-minute-to-4-hour window applies, but pain studies measure results over weeks; the expert consensus raises the dose every two to three days, which assumes you judge each step over several days (Bhaskar 2021). The full timing breakdown, including how long effects last, is in how long does CBD take to work, and clearance times are in how long CBD stays in your system.

Can You Take Too Much CBD? Side Effects and Liver Cautions

You cannot overdose on CBD the way you can on some drugs, but higher doses raise the odds of side effects and liver enzyme changes. In a 2025 randomized trial, 8 of 201 healthy adults taking 5 mg/kg a day (5.6%) had liver enzymes rise above three times normal within four weeks, versus none on placebo. Seven met the criteria to stop for possible drug-induced liver injury (Florian 2025, JAMA Intern Med).

At 1,500 mg a day, 7 of 16 healthy adults (44%) had ALT above normal and 5 (31%) crossed five times normal, all within two to four weeks (Watkins 2021). The FDA states plainly that "CBD can cause liver injury" and that combining it with alcohol or other sedating drugs raises the risk of drowsiness and injuries (FDA consumer update).

The side effects most often reported in clinical research are tiredness, diarrhea and changes in appetite or weight (Iffland 2017 review). Prescription CBD's label adds sleepiness, fatigue, rash and insomnia (Epidiolex label).

One more full-spectrum caution: stacking many units also stacks the trace THC. In the Johns Hopkins soft gel study, the highest dose — about 4 mg/kg of total cannabinoids with a mean of 7.2 mg THC — produced subjective intoxication and impaired working memory (Elder 2025). At one or two soft gels you are nowhere near that, but it is a reason not to treat full-spectrum CBD like a "take a handful" supplement.

Who should talk to a doctor first

• Anyone taking prescription medication, especially blood thinners, seizure medicines, antidepressants or sedatives.
• People with liver disease or who drink heavily.
• Anyone pregnant or breastfeeding — the FDA advises against cannabis products, including CBD, in pregnancy and while nursing (FDA).
• Anyone under 21. Our products are for adults 21+ only.

Does CBD Interact With Medications?

Yes. CBD is processed by the same liver enzymes (CYP3A4 and CYP2C19) as many prescription drugs and can change their blood levels. In a 2026 study at consumer-range doses (2.5 mg/kg twice a day), CBD raised total exposure to the antidepressant citalopram by 43%. Morphine levels were not meaningfully changed (Salcedo 2026, Clin Pharmacol Ther).

The prescription label warns that CBD can raise levels of drugs metabolized by CYP2C19 and similar enzymes, names the seizure drug clobazam, and says combining CBD with valproate raises the risk of liver enzyme elevations (Epidiolex label). The practical rule: if you take a daily prescription, show your pharmacist the product and dose before you start, and recheck if you raise it. The NIH's integrative health center keeps an up-to-date overview (NCCIH).

Does Body Weight Change How Much CBD You Should Take?

Researchers and prescribers dose CBD by body weight (mg per kg), but over-the-counter labels use fixed servings. For context, 1 mg/kg is 70 mg for a 70 kg (154 lb) adult — almost three of our soft gels. The Winkler trial titrated its oil to 1 mg/kg and still did not beat placebo (Winkler 2025), while the FDA liver study used 5 mg/kg (Florian 2025).

Weight is only one variable. Food, the format, your metabolism and other medicines can move your blood levels more than 20 pounds of body weight. That is why the best approach is the ladder above: a fixed starting dose, a consistent routine, and slow steps.

Will Your CBD Dose Show Up on a Drug Test?

A full-spectrum CBD dose can. In a four-week trial, 7 of 14 people (50%) taking about 35 mg of CBD and 0.8 mg of THC a day in a full-spectrum oil tested positive for the THC metabolite. No one reported feeling psychoactive effects (Dahlgren 2021, JAMA Psychiatry). The more units you take, the more trace THC adds up. Our full-spectrum CBD soft gels and gummies can cause a positive drug test. If you are tested for work, they are not the right choice for you. Read more in does THCA show up on a drug test and does CBN show up on a drug test.

Common CBD Dosing Mistakes

• Starting at a "research" dose. 300 mg worked in a lab speech test; it is not where anyone should begin.
• Doubling up after one day. CBD builds up over days. Give each dose a week.
• Changing food and timing every day. A meal can change absorption several-fold.
• Assuming more always works better. The anxiety trials found a bell curve, not a straight line.
• Ignoring your medicine cabinet. Interactions are the most common real risk.
• Buying without a batch COA. If a product cannot show you its mg per serving from a lab, you are not dosing, you are guessing.
• Switching strains and doses at the same time. Change one thing at a time so you know what made the difference.

Frequently Asked Questions About CBD Dosage

How much CBD oil should I take for anxiety?

Most people start at 10 to 25 mg of CBD a day and adjust weekly, often settling between 25 and 50 mg. Controlled anxiety trials used far more: 300 mg taken once about 90 minutes before a public-speaking test reduced anxiety, and 600 mg helped people with diagnosed social anxiety. Talk to a doctor before taking research-level doses.

What level of CBD is best for anxiety?

In studies that compared several doses, 300 mg was the level that reduced anxiety in healthy volunteers, while 100 to 150 mg and 600 to 900 mg did not beat placebo. That inverted-U pattern means more CBD is not automatically better. No study has identified a best everyday consumer dose.

Is 20 mg of CBD very much?

No. 20 mg is a low-to-moderate everyday dose, far below the 300 mg used in anxiety trials and the 5 to 20 mg per kg used for prescription CBD. A 12-week trial found 20 to 30 mg a day was well tolerated, though it did not beat placebo for hand-arthritis pain. It is double the UK's precautionary 10 mg daily limit.

Is 10 mg of CBD enough to do anything?

10 mg is a reasonable first dose, but no controlled trial has shown a measurable effect at 10 mg. It matches the UK Food Standards Agency's advice that healthy adults limit CBD from food to 10 mg a day, about 4 to 5 drops of a 5% oil. Many people start at 10 mg and work up slowly.

Is 50 mg of CBD enough to feel calm?

50 mg is a solid everyday dose and near the top of most label suggestions, but it is about one-sixth of the 300 mg that reduced anxiety in public-speaking trials. Some people feel calmer at 50 mg and some feel little. Judge it over a week of consistent daily use rather than a single dose.

How much CBD oil should I take for pain?

An international expert consensus suggests starting at 5 mg of CBD twice a day, raising it by 10 mg every two to three days, and capping CBD-only dosing around 40 mg a day before a clinician considers adding THC. In a randomized trial, 20 to 30 mg a day for 12 weeks did not beat placebo for hand arthritis pain.

How quickly does CBD work?

Swallowed CBD reaches peak blood levels between 0 and 4 hours after a dose, so most people notice any effect within 30 minutes to a few hours. Taking it with food slows the peak but raises it. CBD also builds up with daily use, so the clearest read comes after one to two weeks.

How much CBD should I take a day?

Most people take 10 to 50 mg a day. There is no official U.S. limit; the UK advises healthy adults to stay at or under 10 mg a day from food. In a 2025 FDA-run trial, 5.6% of healthy adults taking 5 mg per kg a day, about 350 mg for a 70 kg person, had liver enzymes rise above three times normal.

How much CBD should I take for sleep?

Most people try 25 to 50 mg 30 to 60 minutes before bed. Sleep trials used 150 mg and 300 mg with mixed results: 150 mg nightly matched placebo on most sleep measures, while 300 mg of CBD with terpenes added a small 1.3% to time spent in deep and REM sleep.

How much CBD should I take the first time?

Take 10 to 25 mg once, ideally with a meal, and no more that day. If it agrees with you, repeat that dose daily for a week, then raise it by 5 to 10 mg at a time. With daily use CBD's half-life is 2 to 5 days, so it builds up and slow steps matter.

Can you take too much CBD?

Yes. CBD is not known to cause a fatal overdose, but higher doses raise the risk of side effects and liver enzyme changes. At 1,500 mg a day, 44% of healthy adults had elevated ALT. Common side effects include tiredness, diarrhea and appetite changes, and CBD can interact with prescription drugs.

The Short Version

Start at 10 to 25 mg of CBD a day with a meal, hold it for a week, and step up by 5 to 10 mg only if you need to; most people settle between 25 and 50 mg. The anxiety trials that worked used 300 mg, more is not always better, and the UK suggests 10 mg a day as a precautionary ceiling. Talk to your doctor if you take any prescription, avoid full-spectrum if you are drug tested, and buy only products with a batch COA. One 25 mg soft gel is the simplest way to know exactly what you took.

Legal note, as of November 2026: hemp-derived CBD products must contain no more than 0.3% delta-9 THC on a dry-weight basis under federal law (USDA AMS); state rules vary. 21+ only. We do not ship to Colorado.

Sources

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• Linares IM et al. Cannabidiol presents an inverted U-shaped dose-response curve in a simulated public speaking test. Braz J Psychiatry, 2019.
• Bergamaschi MM et al. Cannabidiol reduces the anxiety induced by simulated public speaking in treatment-naïve social phobia patients. Neuropsychopharmacology, 2011.
• Masataka N. Anxiolytic Effects of Repeated Cannabidiol Treatment in Teenagers With Social Anxiety Disorders. Front Psychol, 2019.
• Berger M et al. Cannabidiol for Treatment-Resistant Anxiety Disorders in Young People: An Open-Label Trial. 2022.
• Shannon S et al. Cannabidiol in Anxiety and Sleep: A Large Case Series. Perm J, 2019.
• Winkler A et al. Placebo effects in a RCT assessing 30 days of low dose CBD treatment for psychological distress. J Cannabis Res, 2025.
• Arnold JC et al. The safety and efficacy of low oral doses of cannabidiol: An evaluation of the evidence. Clin Transl Sci, 2023.
• Vela J et al. Cannabidiol treatment in hand osteoarthritis and psoriatic arthritis: a randomized, double-blind, placebo-controlled trial. Pain, 2022.
• Bhaskar A et al. Consensus recommendations on dosing and administration of medical cannabis to treat chronic pain. J Cannabis Res, 2021.
• Jugl S et al. Climbing the Evidence Pyramid: Dosing Considerations for Medical Cannabis in the Management of Chronic Pain. 2023.
• Narayan AJ et al. Cannabidiol for moderate-severe insomnia: a randomized controlled pilot trial of 150 mg of nightly dosing. J Clin Sleep Med, 2024.
• Wang M et al. Effects of a cannabidiol/terpene formulation on sleep in individuals with insomnia. J Clin Sleep Med, 2025.
• Millar SA et al. A Systematic Review on the Pharmacokinetics of Cannabidiol in Humans. Front Pharmacol, 2018.
• Saals BADF et al. A high-fat meal significantly impacts the bioavailability and biphasic absorption of CBD. Sci Rep, 2025.
• Elder HJ et al. Pharmacokinetics and pharmacodynamics of a hemp-derived full-spectrum oral cannabinoid product with a 1:1 ratio of CBD to CBDA. Cannabis Cannabinoid Res, 2025.
• Florian J et al. Cannabidiol and Liver Enzyme Level Elevations in Healthy Adults: A Randomized Clinical Trial. JAMA Intern Med, 2025.
• Watkins PB et al. Cannabidiol and Abnormal Liver Chemistries in Healthy Adults: Results of a Phase I Clinical Trial. Clin Pharmacol Ther, 2021.
• Salcedo P et al. Clinical Study to Evaluate Drug Interactions of Cannabidiol with Citalopram and Morphine in Healthy Adults. Clin Pharmacol Ther, 2026.
• Iffland K, Grotenhermen F. An Update on Safety and Side Effects of Cannabidiol. Cannabis Cannabinoid Res, 2017.
• Dahlgren MK et al. Urinary THC After 4 Weeks of a Full-Spectrum, High-CBD Treatment. JAMA Psychiatry, 2021.
• U.S. FDA. Epidiolex (cannabidiol) prescribing information.
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• U.S. FDA. What You Need to Know About Products Containing Cannabis or Cannabis-Derived Compounds, Including CBD.
• U.S. FDA. What You Should Know About Using Cannabis, Including CBD, When Pregnant or Breastfeeding.
• UK Food Standards Agency. Cannabidiol (CBD) consumer advice.
• NIH NCCIH. Cannabis (Marijuana) and Cannabinoids: What You Need To Know.
• USDA Agricultural Marketing Service. Hemp.