CBD Effect – How Does Cannabidiol Work in the Body?

CBD – short for cannabidiol – is more than just a natural substance derived from hemp for many people. The effects of CBD are the subject of numerous studies and anecdotal reports. At the heart of this is its ability to modulate the body's own endocannabinoid system, which regulates many important functions such as sleep, pain, mood, and inflammation. Unlike THC, CBD is not intoxicating but rather has calming, anti-inflammatory, and pain-relieving effects – without habituation or addiction. The multifaceted nature of its effects is particularly noteworthy: CBD influences neurotransmitters, protects nerve cells, reduces inflammation, and promotes emotional balance. This section examines the most important mechanisms of action of CBD, the time course of its effects, differences between various forms of administration, and the current scientific evidence. Psychological and hormonal effects, such as those related to PMS or menopausal symptoms, are also explored. This provides a comprehensive picture of how CBD works in the body – reliable, easy to understand, and scientifically sound.
Philip Schmiedhofer, MSc

Autor

Philip Schmiedhofer, MSc

Inhaltsverzeichnis

How does the effect of CBD work?

CBD works through a complex interaction with various physiological systems in the body, particularly the endocannabinoid system (ECS).

How quickly does CBD take effect?

The onset of action depends on the form of application.

What effects are attributed to CBD?

The following potential effects are attributed to CBD – supported by studies or clinically observed.

How strong is CBD?

The effect of CBD depends on dosage and concentration.

Is there a psychological effect?

Yes, but not in the sense of a intoxication, rather in the form of a mental relief.

Does CBD also work specifically for women?

Yes – especially in the case of cycle-related complaints, PMS, hormonal imbalances, and menopausal symptoms.

Is the effect of CBD scientifically proven?

Yes, there are now a variety of studies.

CBD exerts its effect by interacting with many processes in the body. A well-known way is the modulation of the body's own endocannabinoid system. It acts calming, anti-inflammatory, less commonly pain-relieving but regulating many processes in the body – all without intoxicating effects.

CBD effect

How does the effect of CBD work?

CBD acts through a complex interaction with various physiological systems in the body, the Endocannabinoid System (ECS), but also other transmitter systems as well as intracellular processes. It therefore regulates a variety of processes, e.g., the energy balance of cells or signal transduction of neurons. The ECS system is a network of receptors (especially CB1 and CB2), endogenous ligands (endocannabinoids), and enzymes that control central functions such as pain regulation, sleep, mood, immune system and inflammatory processes. Cannabidiol acts not directly activating on these receptors (like THC), but modulating and indirectly stabilizing, which leads to a balancing effect leads. This promotes the physiological balance (homeostasis) of the body.

The Main Mechanisms of Action at a Glance:

Mechanism of Action

Effect in the Body

Inhibition of the FAAH Enzyme

Increased Anandamide Levels, Stress Reduction

Binding to 5-HT1A Receptors

Anxiolytic Effect, Mood Enhancement

Effect on GPR55 receptors

Pain inhibition, blood pressure regulation, cancer

Interaction with vanilloid receptors (TRPV1)

Pain relief, heat perception

Anti-inflammatory

Reduction of cellular inflammatory markers, influence on fat metabolism

Antioxidant Effects

Cell protection, support in chronic diseases

Modulating effects on tonic GABAA receptors

alters the excitability of neurons (e.g., in epilepsy, PMS)

CBD is a multimodal active ingredient that acts on over 70 identified different molecular target structures (receptors, enzymes, and transporters). Due to the high complexity, an exact mechanism of action for various indications is very difficult to explain. In summary, however, it can be stated that cannabidiol has a regulatory effect – it maintains physiological body functions (homeostasis) and is therefore a promising medical active ingredient, as it is well tolerated even in high doses.

CBD effect neurons

How quickly does CBD take effect?

The Onset of effect depends on the Form of application from:

Administration

Onset of effect

Note

Sublingual (CBD oil)

approx. 15–30 minutes

Direct absorption through mucous membrane

Oral (capsules)

30–90 minutes

Delayed due to gastrointestinal tract

Rectal/Vaginal (suppositories)

10–30 minutes

Rapid absorption through mucous membranes

Topical (ointment)

local within 1h

Effective only at the application site

The effect usually lasts between 4–8 hours, with regular use a cumulative effect to adjust.

What effects are attributed to CBD?

CBD is attributed the following potential effects attributed – supported by studies or clinically observed:

  • Pain-relieving (analgesic): Especially for chronic pain, migraine, osteoarthritis, endometriosis
  • Anti-inflammatory: Helpful for autoimmune diseases, skin problems
  • Anxiolytic (anxiety-reducing): Supportive for generalized anxiety disorders and social phobia
  • Sleep-promoting: Improvement of sleep quality, extension of deep sleep phase
  • Antispasmodic (anticonvulsant): Especially in the treatment of rare forms of epilepsy
  • Neuroprotective: Possibly protective in degenerative diseases such as Parkinson's or MS
  • Hormone balancing: Helpful for PMS, menopausal symptoms
  • Antibacterial: Supportive for skin inflammations or intimate complaints

How strong is CBD?

The effect of CBD depends on:

  • Dose and concentration (e.g., 5%, 10%, 20%)
  • Individual body chemistry
  • Type of symptoms
  • Combination with other cannabinoids (e.g., CBG, CBC)
  • Duration of use (acute vs. long-term)

While some people feel an effect at low doses, others require higher amounts or longer intake periods. A slow titration is advisable to observe the individual reaction.

Is there a psychological effect?

Yes, however not in the sense of intoxication, but in the form of a psychological relief. Many users report:

  • Improved stress resistance
  • Less rumination
  • Increased emotional balance
  • Easier coping with everyday stresses

These effects likely arise from the modulated action on serotonin and GABA receptors – similar to certain antidepressants, but without their typical side effect profile.

Does CBD also work specifically for women?

Yes – especially with cycle-related complaints, PMS, hormonal imbalances, and menopause symptoms. Studies show positive effects on:

Products like CANNEFF® VAG SUP Vaginal suppositories combine CBD with Hyaluronic acid, which additionally provides moisture, mucous membrane protection, and regenerative effects – a holistic approach to vaginal dryness or intimate complaints.

CBD effect research

Is the effect of CBD scientifically proven?

Yes, there are now a variety of studies, especially in the following areas:

study area

findings

anxiety and depression

improved symptoms at moderate doses (from 200 mg per day)

epilepsy

medical approval of the CBD preparation "Epidiolex"

neuroprotection

animal studies show potential protective effects

inflammatory diseases

inhibition of proinflammatory markers

pain therapy

reduction of chronic pain

Nevertheless, CBD is not always a substitute for medical therapy, but usually a supplementary measure (add-on), whose effectiveness varies depending on the person and indication.

Philip Schmiedhofer, MSc

Philip Schmiedhofer, MSc

Philip is managing director and co-founder of cannhelp GmbH. With studies in medical engineering and molecular biology, specialized in brain science and focusing on cannabinoids, he is recognized as an expert in the use of cannabinoids in medicine. As a medical device consultant, he also leads the sales of cannmedic and offers specialized advice for medical professionals. His expertise includes the development and sales of cannabinoid-based products. In the field of research, he participates in significant basic research at the Centre for Brain Research of the Medical University of Vienna. As co-founder and current managing director of cannmedic GmbH, a pioneer in the trade of CBD medical devices, he has many years of entrepreneurial experience. Furthermore, he maintains an extensive network in the field and advises internationally operating companies in the area of medical cannabinoids.