Why do cbd gummies give me diarrhea

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Last updated: April 8, 2026

Quick Answer: CBD gummies may cause diarrhea primarily due to carrier oils like MCT oil, which can have laxative effects, especially in doses over 15 grams. Individual sensitivity to cannabinoids or additives like sugar alcohols (e.g., sorbitol) can also trigger gastrointestinal distress. A 2019 study in Cannabis and Cannabinoid Research noted that diarrhea was reported in 5-10% of CBD users in clinical trials. Starting with low doses (e.g., 5-10 mg) and consulting a healthcare provider can help mitigate this side effect.

Key Facts

CBD gummies often contain MCT oil, which can cause diarrhea at doses above 15 grams due to its laxative properties
Sugar alcohols like sorbitol, used as sweeteners in some gummies, are known to cause gastrointestinal issues including diarrhea
A 2019 study in Cannabis and Cannabinoid Research found diarrhea affected 5-10% of CBD users in clinical trials
Individual sensitivity to cannabinoids or poor-quality products with contaminants may contribute to digestive problems
Starting with low doses (5-10 mg) and gradually increasing can help reduce the risk of diarrhea

Overview

Cannabidiol (CBD) gummies are edible supplements containing CBD extract, typically derived from hemp plants, and have gained popularity since the 2018 Farm Bill legalized hemp-derived CBD in the United States. These gummies are marketed for various wellness benefits, such as reducing anxiety and improving sleep, with the global CBD market projected to reach $47 billion by 2028. However, they can cause side effects like diarrhea, which is reported by some users. The issue often stems from ingredients like medium-chain triglyceride (MCT) oil, commonly used as a carrier oil to enhance CBD absorption, or additives like sugar alcohols. Quality control varies, as the FDA does not regulate CBD products as strictly as pharmaceuticals, leading to potential inconsistencies in potency and purity that may affect digestive health.

How It Works

CBD gummies can induce diarrhea through several mechanisms. First, many products use MCT oil as a carrier, which is known to have laxative effects at high doses (typically over 15 grams) by drawing water into the intestines and stimulating bowel movements. Second, sugar alcohols like sorbitol or maltitol, used as low-calorie sweeteners, are poorly absorbed in the gut and can ferment, causing osmotic diarrhea and bloating. Third, CBD itself interacts with the endocannabinoid system, which regulates gastrointestinal functions; in some individuals, this may alter gut motility or cause sensitivity, leading to diarrhea. Additionally, low-quality gummies might contain contaminants or improper dosing, exacerbating digestive issues. To minimize risk, users are advised to start with low doses, check ingredient labels, and choose products from reputable brands with third-party testing.

Why It Matters

Understanding why CBD gummies cause diarrhea is crucial for consumer safety and informed usage. With over 64 million Americans having tried CBD as of 2023, side effects like diarrhea can impact daily life and deter people from potential benefits. This issue highlights the need for better regulation and labeling in the CBD industry to prevent adverse reactions. For individuals with conditions like irritable bowel syndrome (IBS), such side effects could worsen symptoms, emphasizing the importance of consulting healthcare providers before use. Addressing this helps promote responsible consumption and supports the development of higher-quality products that minimize gastrointestinal distress.