How Long Do the Effects of CBD Oil Last? - Farmulated

How Long Do the Effects of CBD Oil Last?


One common question among CBD users is, "How long does CBD last in your system?" This question is important because understanding the duration of CBD’s effects can help users manage their consumption more effectively. While there are general estimates, the effects of CBD can vary widely from person to person due to several factors. In this article, we will explore these factors and provide a comprehensive guide to understanding how long the effects of CBD oils may last, with insights from reputable sources like Farmulated.

Factors Influencing CBD Duration

Dosage and Potency

In general, the higher the dosage and potency, the longer the effects of CBD oil will last. The half-life of CBD, which is the time it takes for the concentration of CBD to be reduced by half in the body, is estimated to be up to two days. For example, if you take a 1mL dose of 1000mg Full-Spectrum CBD Oil in the morning (about 33.3mg), after two days, you could still have up to 16.65mg in your system. Maintaining a consistent daily regimen can help optimize CBD’s impact.

However, the effective dosage varies from person to person. For those new to CBD, starting with a single 1mL dose of 500mg Full-Spectrum or CBD Isolate and gradually increasing as needed is recommended for safety and effectiveness.


Even with estimates of how quickly CBD may pass through the average human body, individual metabolism plays a significant role. Factors such as age, weight, sex, muscle mass, and physical activity influence how quickly your body processes substances, including CBD. Typically, the faster your metabolism, the quicker CBD will be broken down by your liver. The liver’s enzymes digest and filter CBD, much like any other substance, determining how quickly it enters and exits your bloodstream.

CBD Delivery Methods

The method of consuming CBD significantly affects how quickly it begins to work and how the effects of CBD stay. Here are the main types of CBD products and their typical durations:

  • CBD Tinctures and Oil: These are typically taken sublingually (under the tongue), allowing for fast absorption into the bloodstream through venous drainage. This method can produce effects that last between 4 to 6 hours.
  • CBD Capsules and CBD Edibles: When ingested, CBD passes through the digestive system and liver, which can delay its effects but extend their duration. Effects can last between 6 to 8 hours.
  • CBD Topicals: Applied directly to the skin, these are used for localized relief and do not enter the bloodstream. The effects can last up to 6 hours.
  • Vape CBD: Inhalation allows CBD to enter the bloodstream quickly through the lungs, leading to almost immediate effects that typically last 2 to 3 hours.
  • CBD Nasal Spray: This method involves spraying CBD directly into the nasal passages, where it is quickly absorbed into the bloodstream through the mucous membranes. Effects can begin within minutes and typically last between 2 to 4 hours.

How Much CBD is Adequate?

Determining the right dosage is crucial for experiencing the full benefits of CBD. An impactful dosage for one person may be too high or low for another. Starting with a lower dose and gradually increasing it allows individuals to find the optimal amount for their needs.

For example, Farmulated’s 1000mg Full-Spectrum CBD Oil can be taken at a dose of 1mL (approximately 33.3mg of CBD). Starting with this amount and adjusting based on personal response can help achieve the desired effects without unnecessary overconsumption.

How Long Does CBD Last in the Body?

Estimating CBD’s Half-Life

CBD’s half-life can vary depending on several factors, including the method of consumption and individual metabolism. Generally, CBD’s half-life is estimated to be between 18 and 32 hours. This means that if you take a single dose, it could take several days for it to be fully eliminated from your system.

Consistent Use and Accumulation

With consistent use, CBD can build up in your system, leading to longer-lasting effects. For example, if you take CBD daily, the cannabinoids may accumulate in your fatty tissues and gradually be released over time. This accumulation can enhance the overall effectiveness and duration of CBD’s benefits.

Tips to Maximize CBD’s Effects

Maintain a Healthy Liver

Since the liver plays a crucial role in metabolizing CBD, maintaining a healthy liver is essential. Avoid excessive alcohol consumption and eat a balanced diet to support liver health, ensuring optimal processing of CBD.

Combine CBD Products

Incorporating different forms of CBD into your routine can enhance and extend the effects. For instance, using CBD oil as a base and supplementing with CBD nasal spray, capsules, topicals, or edibles can provide comprehensive benefits. This multi-faceted approach allows for targeted relief and prolonged effects.

Start with Quality Products

A high-quality CBD product from reputable sources like Farmulated ensures you are getting pure and potent CBD. Look for products that provide third-party lab testing results to verify their contents and purity.

Legal and Safety Considerations

Is CBD Legal?

The legal status of CBD varies by location. In the United States, hemp-derived CBD products with less than 0.3% THC are legal at the federal level, but state laws may differ. Always check local regulations before purchasing or using CBD products.

Safety and Side Effects

CBD is generally considered safe, but it can cause side effects in some individuals, including dry mouth, drowsiness, and changes in appetite. Starting with a low dose and gradually increasing it can help minimize potential side effects. Consult with a healthcare provider before starting any new supplement, especially if you have underlying health conditions or are taking other medications.

In Conclusion

Understanding how long the effects of CBD oil last is crucial for effective use and maximizing its benefits. Factors such as dosage, metabolism, and delivery methods all play significant roles in determining the duration of CBD’s effects. By starting with a high-quality product like those from Farmulated, maintaining a healthy lifestyle, and experimenting with different forms of CBD, users can find a regimen that works best for their individual needs. As always, consult with a healthcare provider to ensure the safe and effective use of CBD in your wellness journey. 


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  2. Cleveland Clinic. (2021, August 30). Metabolism: What it is, how it works and disorders. Cleveland Clinic. Retrieved July 11, 2022, from
  3. Hua, S. (2019, November 5). Advances in Nanoparticulate Drug Delivery Approaches for sublingual and buccal administration. Frontiers in Pharmacology. Retrieved July 11, 2022, from,oral%20route%20for%20drug%20delivery.
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