Potential Side Effects of Conjugated Linoleic Acid (CLA) Supplements

July. 16,2025

Discover the potential side effects of CLA supplements, including fatigue, gastrointestinal discomfort, and digestive issues. Understand the importance of consulting healthcare providers before use, and explore natural sources of CLA such as beef and dairy for safe health benefits.

Potential Side Effects of Conjugated Linoleic Acid (CLA) Supplements

Conjugated Linoleic Acid (CLA) is derived from linoleic acid, undergoing a natural conversion process. Found predominantly in beef and dairy products, CLA is celebrated for its weight management and various health benefits. As a member of omega-6 fatty acids, it supports critical bodily functions, including lowering cholesterol, reducing body fat, boosting immunity, and preventing certain cancers. Consequently, many brands now offer CLA supplements to meet growing consumer demand.

However, it's important to consider safety concerns before using these supplements. Common side effects include:

  • Fatigue: Users may experience increased drowsiness, requiring extended sleep and reduced alertness, which can affect daily routines.
  • Stomach Discomfort: Some individuals report abdominal pain, nausea, and a temporary loss of appetite after taking CLA supplements. Persistent pain should prompt medical consultation.
  • Digestive Issues: Irritation of intestinal walls may lead to diarrhea, dehydration, headaches, and dizziness. Those with pre-existing health conditions should exercise caution, especially those with heart or diabetic concerns, as CLA can influence blood vessel health and blood sugar levels.

    Always consult a healthcare professional prior to starting CLA supplements. Natural sources like beef, dairy, and eggs remain safer options to harness its benefits.