Sardines
Sardines are small fatty fish usually sold in cans. They contain plenty of good protein and fatty acids. They also contain an ample amount of lysine. The lysine to arginine ratio in sardines is huge so you do not need to consume a lot of arginine if you do not want to. An ounce of sardines contains around 641 milligrams [13] of lysine.
Conclusion
Lysine is an essential amino acid, so your body needs it. People need to increase their lysine intake for several reasons and there are several ways to do this. It is best to stick to dietary sources of lysine. If you plan to use supplements, speak to your doctor first to see if there is a need to.
References
[1] https://greatist.com/eat/lysine-foods
[2] https://greatist.com/eat/lysine-foods
[3] https://greatist.com/eat/lysine-foods
[4] https://aminomantra.co.nz/blogs/news/lysine-rich-foods-for-a-plant-based-diet
[5] https://greatist.com/eat/lysine-foods
[6] https://www.myfooddata.com/articles/high-lysine-foods.php
[7] https://greatist.com/eat/lysine-foods
[8] https://greatist.com/eat/lysine-foods
[9] https://aminomantra.co.nz/blogs/news/lysine-rich-foods-for-a-plant-based-diet
[10] https://greatist.com/eat/lysine-foods
[11] https://www.myfooddata.com/articles/high-lysine-foods.php
[12] https://greatist.com/eat/lysine-foods
[13] https://greatist.com/eat/lysine-foods