There are loads of anti-aging supplements out there that promise to make you look younger. We dove into research and talked to top dermatologists to find the few worth popping. Here, find seven with proven results.

1. Sun Protection Try: Fern Extract

Aside from daily use of a broad-spectrum SPF 30 sunscreen, boost your UV protection all year by taking an antioxidant supplement such as Heliocare ($60 for 60; pharmacies) or SunPill ($40 for 60; sunpill.com). New research from the University of Miami School of Medicine shows that the fern extract in these pills significantly reduced UVA-related DNA damage that leads to wrinkling and brown spots. For best results, pop one each day starting a week before you plan on fun in the sun. "This allows the antioxidants to build up in your system for maximum protection," says Dr. Leslie Baumann, a Miami Beach-based dermatologist.

If you're still skipping on sunscreen, you better think again. Here are the Sunscreen Excuses Even Smart Women Make.

2. Stop Breakage Try: Biotin

A daily 2.5 mg dose of the B vitamin biotin in good for swimmers or in the summer months when you're in the water more often. "This supplement helps prevent breakage from too much exposure to salt and chlorine," says Jin Soon Choi, owner of Jin Soon Natural Hand and Foot Spas. Research shows that a daily dose of the nutrient increases nail thickness by 25 percent, making nails less apt to split and tear.

3. Reverse Damage Try: Idebenone

It may be hard to pronounce, but idebenone (eh-DE-be-known) spells younger-looking skin. The antioxidant is small enough to penetrate deep into skin to repair damaged cells, says Dr. David McDaniel, an assistant professor of clinical dermatology at Eastern Virginia Medical School. Taken daily, Priori Idebenone Supplements ($60; prioriskincare.com for locations) defend your skin's health from the inside out.

For more tips to keep your skin looking young, learn the 10 Best Ways To Prevent Wrinkles.

4. Boost Skin, Hair & Nails Try: Primrose & Black Currant Oil

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7 beauty-boosting supplements