Which is better to absorb, fish oil or algal oil DHA

The absorption effects of fish oil and algal oil DHA vary from person to person. Fish oil DHA is better absorbed by the general population, while algal oil DHA is more suitable for vegetarians or those who are sensitive to fishy odors. The main differences between the two lie in their sources, ingredient stability, and applicable populations.

Fish oil DHA is extracted from deep-sea fish fat and contains two types of Omega-3 fatty acids, EPA and DHA. Its absorption process relies on bile emulsification, and the absorption rate is higher in healthy individuals with normal gastrointestinal function. DHA in fish oil exists in the form of triglycerides, which are similar in structure to human fat and are easily absorbed by the small intestine after being digested by digestive enzymes. However, fish oil may carry the risk of heavy metal residues, and EPA has anticoagulant effects. Pregnant women or preoperative populations should be cautious.

Algae oil DHA is directly extracted from fermented marine microalgae, without EPA, with high purity and no fishy smell. Its DHA exists in single-cell form, with a smaller molecular structure and lighter gastrointestinal burden, making it suitable for people with weaker digestive function such as infants or the elderly. Algae oil does not contain animal ingredients, avoiding religious or vegetarian taboos. However, some algal oil products may experience DHA oxidation due to processing techniques, which can affect absorption efficiency.

When choosing, it is necessary to consider one's own needs: fish oil can be given priority when supplementing Omega-3 for ordinary adults, while algal oil is recommended for pregnant women, infants, or vegetarians. Regardless of the form, it is recommended to take it with meals to promote fat dissolution and absorption, and avoid high-temperature storage that may cause degradation of active ingredients. Long term use should be consulted, especially for those with abnormal coagulation function or allergic constitution.