iHerb.com vs Supplement First
Codes, shipping, perks and real traffic data, side by side.
SAVINGS
Active codes
2011
Best offer now
10% Off Storewide at iHerb. com7% Off Storewide at Supplement First
Avg. discount (90 days)
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Shopper rating
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TRAFFIC & POPULARITY · SIMILARWEB
Monthly visits
45.1M108K
Trend vs last month
▲ 3.7%▲ 8.1%
Global rank
#832#334,625
Category rank
#1#5692
SHOPPER ENGAGEMENT · SIMILARWEB
Avg. visit duration
03:3601:21
Pages per visit
4.62.4
Bounce rate
40.9%52.7%
Mobile share
71.6%69.1%
Visits from search
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Our take: iHerb.com has the deepest average discount right now. iHerb.com is the most visited store in this group. Stack a code with a subscription discount wherever it's offered.
Traffic data from Similarweb. Codes checked today.
iHerb.com vs Supplement First
Codes, shipping perks and real traffic data side by side, so you can pick the store that saves you the most.
Compare up to 3:
Our take: iHerb.com has the deepest average discount right now. iHerb.com is the most visited store in this group. Stack a code with a subscription discount wherever it's offered.
Traffic and audience data from Similarweb, April 2026. Codes and perks checked today.