Is there a diet that fights stretch marks and sagging?

I've lost a lot and have sagging skin and knurled. What I can do? Is there a diet that will help me? Dolores Montes (Valencia) With the diet can prevent these situations. Consume foods rich in vitamins A, C and E to repair cells (fruits, vegetables, nuts, vegetable oils, liver, salmon, pumpkin ...). Supplement your diet with amino acids and spirulina. Tones muscles with a little exercise. However, stretch marks can not be repaired, although the aloe vera, rosehip oil and gotu kola help much.