Savvy consumers can rely on their senses to determine if a bottle has gone bad. The primary concern with aged fish oil is not immediate toxicity but the degradation of its active ingredients.
How to Detect Bitter Taste and Rancidity in Fish Oil
The distinct fishy burp or aftertaste many people experience is often a sign of this oxidation occurring. Identifying Expired or Rancid Fish Oil Manufacturers provide an expiration date as a general guideline for peak potency, but the quality of the product can change long before that date arrives.
The Role of Oxidation Oxidation is the central factor in fish oil expiration. Taking oxidized oil means you are not getting the full dose of EPA and DHA you paid for, rendering your supplement routine ineffective.
How to Detect Bitter Taste and Rancidity in Fish Oil
The most reliable indicator, however, is the smell; fresh oil is mild and somewhat neutral, while rancid oil emits a harsh, bitter, or distinctly unpleasant odor reminiscent of old paint or spoiled nuts. Observe the color, looking for a shift from light golden to dark brown.
More About Can fish oil expire
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