How do you know if what you’re getting in a supplement is safe? One of the best ways is to look for seals and labels that show you a product has been vetted. iHerb’s iTested program evaluates brands using an independent, third-party laboratory that provides neutral and unbiased information using scientific testing methods. This ensures that you can rest easy knowing products have a stamp of approval before you purchase. Here is a guide of supplements for the most common nutritional deficiencies cropping up right now, so you can find the nutritional gaps you may be missing these days—and exactly how to fill them. Try: California Gold Nutrition Fish Oil and Oslomega Kids Fish Oil Try: Ultamins Men’s Multi-Vitamin, Ultamins Women’s Multi-Vitamin, and Vitables Kids Multi-Vitamin