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If you’ve ever added one thing to your iHerb cart… and suddenly ended up with ten, you’re not alone 🤍
Some products are just so good that people reorder them again and again—and those are the ones worth paying attention to.
We rounded up the top-selling iHerb products that shoppers can’t stop buying. These are the everyday wellness staples, beauty-from-within favorites, and feel-good essentials that consistently land at the top of iHerb’s bestseller lists.
Let’s get into it 🌿
1. Omega-3 Fish Oil (A True iHerb Bestseller)
Omega-3 supplements are always top sellers on iHerb—and for good reason. They’re a wellness staple for heart health, brain support, and overall balance.
Why everyone loves it
- Easy daily habit
- Great for overall wellness
- One of the most re-ordered supplements on iHerb
✨ This is one of those “I never skip it” supplements.
2. Vitamin C (The Everyday Immune Essential)
Vitamin C is a forever favorite—especially during colder months or stressful seasons. It’s affordable, easy to take, and always in demand.
Why it stays a bestseller
- Supports immune health
- Budget-friendly
- Simple addition to any routine
💡 Perfect if you want to keep your wellness routine minimal but consistent.
3. Vitamin D-3
With limited sun exposure (hello winter + desk jobs), vitamin D is one of the most popular supplements in the U.S.—and a major iHerb bestseller.
Why people swear by it
- Supports mood and energy
- Easy once-a-day habit
- Especially popular during fall and winter
✨ This is one of those “add it and forget it” wellness staples.
4. Magnesium (For Calm, Sleep & Recovery)
Magnesium is that girl of supplements. Loved for relaxation, muscle support, and better sleep, it’s one of iHerb’s most consistent top sellers.
Why it’s always in carts
- Helps with relaxation and rest
- Popular for nighttime routines
- Great for active or high-stress lifestyles
🌙 Many people take this as part of their evening wind-down ritual.
5. Creatine (Not Just for Gym Bros)
Creatine is one of the top-selling performance supplements on iHerb—and it’s not just for hardcore fitness lovers anymore.
Why it’s trending
- Supports strength and workouts
- Affordable and effective
- Popular with beginners and regular gym-goers
✨ Simple, no-frills, and very popular.
6. Berberine (A Trending Wellness Favorite)
Berberine has quickly become one of iHerb’s most talked-about supplements, especially among people focused on metabolic and gut health.
Why it’s popular
- Trending in wellness circles
- Often used for balance and digestion
- A “next-level” supplement people research before buying
💚 This one’s for the wellness-curious crowd.
7. B-Complex Vitamins (Stress & Energy Support)
B-complex supplements are especially popular with people managing busy schedules, stress, or low energy.
Why it stays a bestseller
- Supports energy levels
- Common in stress-support routines
- Easy way to support daily wellness
✨ Great for workdays, travel, and hectic weeks.
8. Myo-Inositol (A Niche but Loved Favorite)
This one may be more niche, but it has a huge loyal following on iHerb—especially among women focused on hormone and reproductive wellness.
Why it stands out
- Highly rated
- Reordered often by loyal users
- A staple in specific wellness routines
🌸 Proof that targeted supplements can still be top sellers.
The common theme?
✨ Simple, consistent, feel-good wellness.
These iHerb best sellers aren’t about trends that come and go—they’re products people actually use, reorder, and build into their routines.
If you’re just getting into iHerb or want to try what’s already tried-and-true, this list is a great place to start 🌿
