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Response to Bannenberg and Rice.

Vidit V Satokar1, Wayne S Cutfield1,2, David Cameron-Smith1,3,4

  • 1Liggins Institute, University of Auckland, Auckland, New Zealand.

Nutrition Reviews
|July 15, 2021
PubMed
Summary
This summary is machine-generated.

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Supplementation with omega-3 polyunsaturated fatty acids (n-3 PUFA) may benefit offspring of obese mothers. However, verifying fish oil quality and ensuring it is unoxidized is crucial for efficacy and safety in clinical trials.

Area of Science:

  • Nutritional Science
  • Biochemistry
  • Clinical Research

Background:

  • A recent narrative review explored the benefits of n-3 PUFA rich oils for offspring body composition and metabolism in pregnancies complicated by maternal overweight or obesity.
  • Industry scientists raised concerns regarding the quality and functionality of commercial fish oil supplements, prompting this response.
  • This manuscript addresses these concerns by reviewing current evidence on n-3 PUFA content and oxidative status in consumer fish oil supplements.

Discussion:

  • Concerns exist regarding the potential ineffectiveness or harm from substandard or oxidized fish oil supplements.
  • Inaccurate n-3 PUFA content can lead to erroneous conclusions about the efficacy of these fatty acids.
  • Oxidized fish oil may not only be ineffective but could also pose health risks, particularly to vulnerable populations like pregnant women.

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Key Insights:

  • Verification of n-3 PUFA content is essential; oils with lower than expected concentrations may yield false negative results.
  • The oxidative state of fish oil is critical; oxidized products may lack therapeutic benefits and introduce safety concerns.
  • Independent verification of both n-3 PUFA content and oxidative stability is paramount before using fish oil in clinical trials.

Outlook:

  • Further research is needed to establish robust quality control standards for n-3 PUFA supplements used in clinical research.
  • Emphasis should be placed on ensuring the integrity of supplements to maximize therapeutic potential and participant safety.
  • Future studies should prioritize the use of well-characterized and high-quality n-3 PUFA sources to avoid confounding results.