H2Tab came to PAS in April 2025 with zero Amazon presence - no listings, no reviews, no sales history - in one of Amazon's most saturated supplement niches. Fifteen months later it has done $17.3M in revenue and owns the #1 Best Seller spot in hydrogen tablets.
Hydrogen Water, Engineered For Skeptics.
H2Tab sells molecular hydrogen tablets that dissolve in water - a science-backed wellness product championed by human biologist Gary Brecka. The brand arrived in April 2025 with no listings, no reviews and no sales history. The mandate was simple and ambitious: build the channel from scratch and win the category.
A Saturated Niche With Brutal Economics.
The hydrogen tablet category was dominated by established brands with thousands of reviews. Peak category CPCs hit $4.00 on a ~$30 product, so as few as ten clicks without a sale could push acquisition cost to 100% of revenue. Then in November 2025 Amazon flagged the best-selling listing for miscategorization and removed it - right as the brand approached $1.5M in monthly revenue. We had it reinstated and momentum recovered in roughly 15 days.
Built Demand Off-Amazon Before Spending On It.
Rather than leaning on Amazon ads alone, we generated launch buzz off-platform around the product's Amazon availability - amplified by Gary Brecka's credibility - so campaigns captured existing demand instead of renting it.
Defense Second, Offense Third.
Campaigns opened with brand defense, then moved into offensive category and product targeting against lower-rated competitors where H2Tab held a clear technical edge, before layering in high-converting category keywords. TACoS held around 12% at scale.
Taught The Category Instead Of Cold-Selling It.
Video ads featuring Gary Brecka explained why hydrogen tablets matter, how they work and what results to expect - converting a skeptical, research-heavy audience at unusually high rates. Monthly conversion rate peaked at 40.0% in March 2026.
Widened The Universe Beyond The Core Niche.
Targeting broadened into wellness - athletes, runners, gym-goers and health-conscious shoppers - expanding the keyword universe and driving the incremental sales that pushed H2Tab to #1 in hydrogen tablets. 589K+ units sold, 11,375 active subscriptions and $500K of subscription revenue within 60 days.
A Subscription Engine, Not A One-Off Spike.
28.2% of customers repurchased (90K of 319K), and roughly $100K of sales came through creator connections. Organic repurchase and subscriptions outpaced Sponsored Display remarketing, so budget followed the winners.
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