A new wave of biotech-focused companies has bypassed traditional retail entirely. Brands like Seed, Ritual, or Thorne sell their products primarily through their own websites via subscription models.

If ordering online during a heatwave, choose expedited shipping to ensure your probiotics don't sit in a hot delivery truck for days.

For many, the neighborhood health food store remains the gold standard for buying supplements. These shops often prioritize quality over quantity and curate their selections based on strict ingredient standards.