Summer Fridays' Marianna Hewitt and Lauren Ireland Share Their Must Haves

Ireland can't start her day without the Seed DS-01 Daily Synbiotic ($50). "I always take this first thing in the morning," she says. "Taking a daily probiotic has such a significant impact on how I feel overall throughout my day." Probiotics can help with a myriad of things, including abdominal pain and discomfort, bloating, digestion, and immunity.

Pro Tip: Before adding a new supplement to your routine, it's never a bad idea to consult with a doctor to ensure it's a good fit for you.