Google Ads shows 3.1x ROAS.
Meta shows 5.4x.
One of them is folklore.
For Dutch Shopify supplements brands scaling from €150K to €500K/month. Upload your GA4 data. Know which channels drive incremental sales in minutes.
No signup for the demo · Full refund guarantee · GA4 CSV upload, 5–10 min insights · See full pricing · Book a 20-min call
The €190K question: Is Google Ads working or stealing credit?
You're spending €220K/year on Google Ads. Search campaigns. Shopping ads. Performance Max.
Google dashboard says 3.1x ROAS. Meta dashboard says 5.4x. But what if Google captures demand that podcasts, YouTube reviews, and influencer content created weeks earlier?
The math:
Google Ads "attributed" revenue: €220K × 3.1x = €682K
Google Ads incremental revenue: Test market shows 38% drop = €190K lost
Difference: €190K revenue Google captures but doesn't generate.
Cut Google Ads = save €220K, lose €190K revenue, collapse funnel. Keep Google Ads = overspend on demand capture, underspend on demand creation.
You're stuck. Because you're measuring correlation (last click), not causality (what actually drives sales).
Twinkels found 28% of ad spend going to the wrong channels. See where yours should go.
Correlation vs Causality: The difference is €190K
Traditional attribution (correlation):
Google had the last click → Google gets 100% credit → Podcasts show "zero ROI" → Cut podcast sponsorships → Demand dries up.
Behavioral intelligence (causality):
Podcast creates awareness → YouTube review builds trust → Google captures the search → That's a 28-day customer journey → Podcast drives €190K incremental revenue → Keep podcasts, scale them.
Incremental Sales = (Revenue with Channel) - (Revenue without Channel)
Traditional attribution: Measures correlation (which channel touched the customer last)
Behavioral intelligence: Measures causality (which channel drives incremental sales)
Confidence-scored results with data health indicators. Named Dutch supplements brands already see their real numbers.
How supplements customers actually buy: The paths your dashboard hides
Path #1: Podcast → YouTube → Google
Customer hears podcast mention (Day 1) → Watches YouTube review (Day 10) → Searches Google for product (Day 28) → Buys.
Last-click: Google gets 100% credit. Podcast shows "zero ROI."
Causal analysis: Podcast drives 38% of this sale. Cut podcast sponsorships = lose this customer.
Path #2: Instagram → Blog → Email → Google
Customer sees Instagram ad (Day 1) → Reads ingredient blog post (Day 7) → Gets email sequence (Day 14-21) → Searches Google (Day 30) → Buys.
Last-click: Google gets 100% credit. Instagram and content show zero ROI.
Causal analysis: Instagram + content drive 45% of this sale. Cut them = 32% revenue drop.
Path #3: Influencer → TikTok → Meta
Fitness influencer posts review (Day 1) → TikTok algorithm amplifies (Day 5-15) → Meta retargeting converts (Day 25) → Buys.
Last-click: Meta gets 100% credit. Influencer shows "low ROAS."
Causal analysis: Influencer drives 35% of this sale. Cut influencer budget = lose top-of-funnel trust.
Pattern: Trust-building channels (podcasts, YouTube, influencers, educational content) show "low ROAS" in dashboards. But they drive 40-60% of incremental sales through multi-touch paths. Cut them = collapse your funnel.
From upload to causal read
Setup time
Per causal read, no subscription
Why supplements attribution is harder than other verticals
28-day+ consideration cycles
Fashion: 3-7 days. Beauty: 14-30 days. Supplements: 21-45 days. Customers research ingredients, read reviews, consult healthcare providers. Longer cycles = more touchpoints = more attribution errors. Last-click gives 100% credit to the final touchpoint, ignoring 8-15 prior interactions.
Trust-first purchase decisions
Supplements go into your body. Customers need trust before they buy. That trust comes from podcasts, YouTube reviews, ingredient transparency, and third-party certifications. None of these show "attributed revenue" in dashboards. Cut them = sales collapse 4-6 weeks later.
Subscription vs one-time purchase split
60% of supplements revenue comes from subscriptions. The first purchase is expensive to acquire. But LTV is 6-12x the initial order. Last-click attribution only measures the first purchase, missing the subscription revenue that awareness channels generate.
Regulatory content constraints
Health claims are regulated. You can't run aggressive direct-response ads. So you invest in education, content, and community. These channels show "zero ROI" in dashboards. But they're the only compliant way to build demand.
Bottom line: Supplements brands have the longest consideration cycles, highest trust requirements, and most regulated content. Traditional attribution fails hardest here. Causal analysis works best here.
Named Dutch supplements brands already see their real numbers
5–10 minutes
from CSV upload to causal read
No pixel
no SDK, no data team needed
€99
full refund if it doesn't move a decision
Dutch DTC teams switched to behavioral intelligence. Not because we are great salespeople. Because once you see which channels drive incremental sales, you cannot unsee it.
Learn the fundamentals
Attribution Model
Defines how credit for conversions is assigned to marketing touchpoints.
ROAS
Measures the revenue earned for every dollar spent on advertising.
Causal Inference
Determines the independent, actual effect of a phenomenon within a system.
Correlation
A statistical measure showing a relationship between variables; it does not imply causation.
Data-Driven Attribution
Platform ML model that distributes conversion credit based on observed data patterns.
Multi-Touch Attribution
Assigns credit to multiple marketing touchpoints across the customer journey.
Marketing Funnel
Describes the customer's journey from initial awareness to purchase.
Customer Acquisition Cost
The cost to convince a consumer to buy a product or service.
Customer Lifetime Value
Predicts the net profit from a customer's entire future relationship.
Cross Channel Attribution
Determines how different marketing channels contribute to customer conversions.
First-Touch Attribution
Gives 100% of conversion credit to the first marketing touchpoint.
Compare attribution tools
Causality Engine vs Triple Whale
Feature comparison for e-commerce attribution
Causality Engine vs Northbeam
Enterprise attribution comparison
Causality Engine vs Rockerbox
Multi-channel attribution comparison
Causality Engine vs Hyros
Ad tracking attribution comparison
Causality Engine vs Wicked Reports
Revenue attribution comparison
Further reading
Why Supplements Brands Need Causal Attribution
Deep dive into supplements-specific attribution challenges
Google Ads Attribution for Shopify
Track the full Google Ads customer journey
The True Cost of Bad Attribution
How much are you wasting on misattributed spend?
Why Your Marketing Data Is Lying
The correlation vs causation problem explained
Common questions from Dutch supplements brands
Why does Google Ads show 3.1x ROAS while Meta shows 5.4x ROAS for my Dutch supplements brand?
Google captures demand that podcasts, YouTube, and influencers created 21-45 days earlier. Last-click attribution gives 100% credit to Google, but awareness channels started the customer journey. Cut awareness channels = 38% revenue drop in 28 days.
How do I know if cutting podcast sponsorships will hurt my supplements sales?
Upload your GA4 CSV and get causal inference analysis in minutes. Measures incremental sales: Revenue with Podcasts - Revenue without Podcasts. If podcasts create awareness that feeds Google/Meta conversions weeks later, cutting them collapses the funnel.
What is the difference between correlation and causality in supplements marketing attribution?
Correlation: Google had the last click, so it gets 100% credit (wrong). Causality: A podcast created awareness, YouTube built trust, Google captured the search (right). Traditional attribution measures correlation. Behavioral intelligence measures causality.
Can I see which channels drive sales for my Shopify supplements brand with GA4 data?
Yes. Upload your GA4 CSV and get causal-attribution results in 5–10 minutes. Native Shopify integration is on the roadmap but not required today. Named Dutch supplements brands already use it.
How much does attribution analysis cost for my Shopify supplements brand?
€99 one-time analysis. Upload your data, get results in minutes. If you don't see which channels drive incremental sales, full refund. No questions. Subscription: €299/month for continuous tracking.
Why do podcast sponsorships show zero ROI in my Shopify dashboard?
Podcasts create awareness that converts 21-45 days later through other channels. Last-click attribution gives 100% credit to Google/Meta, zero to podcasts. But cut podcast budget? Revenue drops 30-40% in 28 days. Causal analysis reveals the true impact.
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Know which channels drive incremental sales
Not guesses. Not correlations. Upload your GA4 data and see the real numbers in minutes.
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Real reports from supplements brandss
See what causal attribution looks like for a supplements brands.
Anonymised reports from supplements brandss already using Causality Engine. Per-channel incremental ROAS with confidence intervals.
Browse Supplements-Brands reports in the Attribution Library →