Ever wonder why you bother putting on polish since your nails will break or peel within a day anyway? Yep, me too. There are lots of treatments and tonics you can use to deal with damaged nails, but here are 14 natural ways to make your nails stronger and less prone to annoying splitting, breaking, and peeling:Weak Nails?1. Make sure you’re getting enough protein.Making sure you meet your protein needs will help keep your nails (and muscles) strong and in tip-top shape. So how much do you really need? Somewhere between 45 to 56 grams per day is the recommended intake for an adult. Here’s a guide to the plant foods containing the most protein.2. Try biotin supplements.Keratin is a protein that makes up your skin, hair, bone, and nails, and biotin (a B vitamin) can help support your keratin levels [source]. You do have to commit to it for a while, and the most recent studies have not proven results [source] (except in brittle nail syndrome [source]), but it works well for some people! Bi...