It was one of the top beauty question of 2018: should I be drinking collagen? The answer isn’t a simple yes or no, partricularly from an anti-aging perspective. “Collagen is a large molecule and for the most part is broken down into its component amino acids in the gut,” says Dr. Joshua Zeichner, director of cosmetic and clinical research in dermatology at Mount Sinai Hospital in New York City.

“It has been suggested that these amino acids enter the bloodstream and provide the building blocks for new healthy collagen production. However the jury is still out on collagen supplements.” Still, if you want to try it for yourself, there are more pills and powders than ever before to help boost your intake of collagen.

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Remember when you had to actually go to the gym to go to the gym? Those days are over. This was the year of the high-tech workout, like Peloton biking and the at-home gym called Mirror. What looks just like any full-length mirror is actually an interactive screen that broadcasts live or pre-recorded workouts right into your home.

There is nothing sexy or fun about taking vitamins, unless you package said vitamins in Instagrammable gummy candy form. A slew of gummy vitamins for adults popped up this year. We love the company Olly Nutrition: whether you need b vitamins, melatonin, biotin, or plain vitamin c—Olly’s gummies are almost too easy to remember to take every single day (they’re incredibly delicious).

It turns out, breakfast might not be the most important meal of the day. A diet strategy called intermittent fasting gained popularity in 2018. It breaks your day into two periods: a fasting window and an eating window. Most proponents follow the 16:8 rule, which is 16 hours of fasting followed by eight hours of eating, which looks like starting your first meal of the day at noon and ending at eight at night. Studies have shown that fasting can not only be an effective fat loss tool (you eat less calories overall, creating a deficit), but it also might be beneficial for your gut microbiome.

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