Preparing for a triglyceride-lowering diet does not require genetic testing; it relies on well-established lifestyle modifications. Reduce added sugars and refined carbohydrates (e.g., white bread, sugary drinks) because they directly increase hepatic triglyceride synthesis. Replace saturated fats with polyunsaturated fats, especially omega-3 fatty acids from fish, flaxseeds, or walnuts. Regular aerobic exercise (≥150 min/week of moderate activity) consistently lowers triglycerides. Limit alcohol, as even small amounts can raise levels. Some direct-to-consumer DNA tests claim to personalize fat metabolism advice, but the evidence for such variants (e.g., PPARG, TNF) is mechanistic or unclear, not clinically actionable. The strongest evidence remains dietary pattern change, weight loss if overweight, and increased physical activity. Monitor fasting triglycerides before and after dietary changes with a healthcare provider. No single gene test reliably predicts individual triglyceride response.
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