Sardines in Oil (Canned) (1 Can (3.75 Oz), Drained)

Choose sardines packed in water or extra-virgin olive oil with no added sugar, sweet sauces, or flavored marinades; drain excess oil if it seems to worsen your response.

Check the full meal and beverage rather than the sardines alone: bread, crackers, rice, potatoes, fruit juice, soda, and sauces are more likely contributors to a rise.

Eat the sardines with non-starchy vegetables such as leafy greens, cucumber, tomatoes, broccoli, or peppers, and avoid pairing them with refined starches.

If you want a carbohydrate side, keep the portion modest and choose options such as lentils, chickpeas, or quinoa rather than white bread or crackers.

Take a gentle 10–20 minute walk after eating, if safe and practical, to reduce the post-meal rise.

Repeat the test on another day using the same sardines, a measured portion, and no other caloric foods for several hours beforehand; a small rise can also reflect normal variation, timing, or sensor noise.