What science say about herbal synergy:
✅ A 2016 Frontiers in Pharmacology review shows multi-herb formulas create synergistic potentiation, meaning blended herbs outperform single ones.
✅ University of Reading research found rosemary, garlic, and hawthorn support heart health best when used together.
✅ NIH archived studies show valerian, passionflower, and holy basil work better as a blend for stress, sleep, and brain fog.