[lee martell]

A short list of foods that contain tryptophan:
Chicken, eggs, cheese, fish, peanuts, milk, turkey, tofu and soy. Good luck avoiding it!

[posterchild]

Isn’t the ‘traditional’ japanese diet (known for longevity) high in soy and fish?

[TigersEye]

Eat ze bugs!

[kiryandil]

10 Best Foods to Eat for a Collagen Boost

1. Beef Bone Broth
2. Skin-On Chicken
3. Pork Bone Broth
4. Sardines
5. Organ Meats
6. Collagen-Infused Drinks
7. Gummy Candy
8. Berries
Pick your favorite—blueberries, raspberries, strawberries or blackberries. They’re all a great way to add vitamin C to your diet, a nutrient that helps your body build collagen.
9. Broccoli
Another tasty, easy way to add vitamin C to your diet is broccoli.
10. Aloe Vera

https://www.eatingwell.com/article/7896640/best-foods-to-eat-for-a-collagen-boost/