What role does FADS1 play in Blutzucker?

FADS1 encodes a fatty acid desaturase that converts short-chain polyunsaturated fatty acids (PUFAs) into longer-chain forms. These PUFAs influence insulin sensitivity and inflammation via lipid mediators. Some GWAS have linked FADS1 variants (e.g., rs174547) to modest changes in fasting glucose or HbA1c, but effect sizes are small and heavily modulated by dietary omega-3/6 intake. The evidence is mechanistic to moderate; direct clinical utility for blood sugar management is limited. Consumer DNA tests tend to overstate such associations. A balanced diet with appropriate fat quality remains the primary lever for glucose control.