In the last 12 months, consumer search interest in plant-based snacks has surged nearly 40x — with “plant-based protein snacks” growing 3,757% year-over-year. That’s not a curiosity metric. It’s a demand signal that shoppers are actively looking for plant-based options on shelf, and they want them with functional claims attached.
We recently ran a claims validation experiment on a plant-based protein bar to test exactly which front-of-pack messages drive purchase intent. The results — from 500 synthetic consumers across all 50 US states — challenge some common assumptions about how brands should position in this category.
Table of Contents
- The Demand Signal: What Consumers Are Actually Looking For
- What We Tested: A Protein Bar Claims Experiment
- What Actually Drives the Purchase Decision
- Why “Protein First, Plant-Based Second” Wins
- “Only 6 Ingredients” Beat Every Other Transparency Claim
- The Full Claims Hierarchy
- What to Do Before Your Next Range Review
The Demand Signal: What Consumers Are Actually Looking For
When we look at what consumers are typing into search engines, a pattern emerges. They’re not searching for “plant-based snacks” in the abstract — they’re searching with functional intent:
| What Consumers Search For | Monthly Searches (US) | YoY Growth | What It Signals |
|---|---|---|---|
| high protein snacks | 201,000 | Stable | Protein is the dominant purchase driver in snacking |
| plant based snacks | 5,400 | +560% | Plant-based is no longer niche — it’s mainstream discovery |
| plant-based protein snacks | 2,900 | +3,757% | The intersection of protein + plant-based is exploding |
| pea protein vs whey | 6,600 | — | Consumers are actively comparing protein sources |
The critical insight: “high protein snacks” generates 201,000 monthly searches — nearly 40x more than “plant based snacks.” Consumers want protein first. Plant-based is the qualifier, not the headline. But does this show up in actual purchase intent data? We tested it.
What We Tested: A Protein Bar Claims Experiment
Using Saucery’s synthetic consumer validation platform, we ran a claims experiment on a 70g Peanut Butter and Chocolate Chip Organic Protein Bar — a product with 11g of plant-based protein, less than 8g of sugar, made with 6 organic ingredients, priced at $3.50.
We tested five front-of-pack decision dimensions across 500 census-representative US consumers:
- Ingredient Transparency Statement — How should you communicate ingredient simplicity?
- Protein Claim Framing — What’s the most compelling way to present the protein benefit?
- Lifestyle & Dietary Callout Line — Which certification/dietary combination resonates most?
- Sugar & Sweetness Messaging — How should you frame the low-sugar benefit?
- Brand Tagline — Which positioning line captures the product essence?
Each dimension had 4-5 claim variations. Consumers were shown randomized combinations and asked which they’d be most likely to purchase. Here’s what happened.
What Actually Drives the Purchase Decision
The first finding was about what matters most — the relative importance of each claim dimension in driving consumer preference:
| Claim Dimension | Importance (% of Decision) | What It Means |
|---|---|---|
| Ingredient Transparency | 26.3% | The single biggest driver of choice — consumers want to know what’s in it |
| Protein Claim Framing | 25.7% | Nearly tied for #1 — how you frame protein matters enormously |
| Lifestyle & Dietary Callouts | 21.1% | Organic, vegan, gluten-free signals carry real weight |
| Sugar & Sweetness Messaging | 19.1% | Sugar concern is real but secondary to transparency and protein |
| Brand Tagline | 7.8% | The least important factor — what you are matters more than what you say |
Two things stand out. First, ingredient transparency and protein framing together account for over half (52%) of the purchase decision. If you get those two claims right, you’ve addressed the majority of what drives a consumer to pick up your product.
Second, brand tagline — the “clever” positioning line — accounts for less than 8% of the decision. Consumers care far more about concrete, verifiable claims than aspirational messaging. This is a direct challenge to the amount of time many brands spend on tagline development relative to claims testing.
Why “Protein First, Plant-Based Second” Wins
The protein framing results were the clearest validation of the “lead with protein” thesis:
| Protein Claim Variation | Consumer Preference |
|---|---|
| “11g Protein Per Bar” | 40.4% |
| “High Protein Snack” | 18.2% |
| “Plant-Based Protein Power” | 17.6% |
| “Satisfying Plant Protein” | 14.0% |
| “Protein Without Whey” | 9.8% |
“11g Protein Per Bar” was chosen by more than double the next closest option. The specific, quantified claim crushes every vague or conceptual alternative. “Plant-Based Protein Power” — the kind of claim many plant-based brands lead with — captured less than half the preference of the specific gram count.
And “Protein Without Whey” — a claim that positions against whey protein — performed worst of all at 9.8%. Consumers don’t want to know what’s not in your product. They want to know exactly what is.
“Only 6 Ingredients” Beat Every Other Transparency Claim
The ingredient transparency results reinforced the same principle — specificity wins:
| Transparency Claim | Consumer Preference |
|---|---|
| “Only 6 Ingredients” | 45.2% |
| “Simple, Real Ingredients” | 18.4% |
| “Made With Recognizable Ingredients” | 14.2% |
| “Nothing To Hide” | 11.6% |
| “Ingredients You Can Pronounce” | 10.6% |
Nearly half of all consumers preferred the specific number — “Only 6 Ingredients” — over every qualitative alternative. “Simple, Real Ingredients” came in a distant second at 18.4%. The emotional claims (“Nothing To Hide,” “Ingredients You Can Pronounce”) performed worst.
This maps directly to the broader trend in consumer behavior: specificity builds trust, vagueness triggers skepticism. When a brand says “simple ingredients,” the consumer wonders “how simple?” When a brand says “6 ingredients,” the question is answered.
The Full Claims Hierarchy
Across all five dimensions, the winning claims formed a clear hierarchy. Here’s the optimal front-of-pack combination from the experiment:
| Position | Claim | Preference Score |
|---|---|---|
| Primary claim | “Only 6 Ingredients” | 45.2% |
| Secondary claim | “11g Protein Per Bar” | 40.4% |
| Sugar callout | “Less Than 8g Sugar” | 41.4% |
| Dietary badges | “Organic • Vegan • Gluten-Free” | 36.0% |
| Tagline | “Organic Energy, Simplified.” | 23.4% |
The experiment suggests an interesting inversion of what many brands do today. Most plant-based protein bars lead with either the protein claim or the plant-based positioning. The data says ingredient transparency should be your primary claim — it’s both the most important dimension (26.3% of the decision) and the one with the strongest individual winner (45.2%).
That said, these results are specific to this product profile. A bar with 20g of protein might find the protein claim is more differentiating. A bar with 15 ingredients wouldn’t benefit from an ingredient count claim. The principle isn’t “always lead with ingredient count” — it’s “test your specific claims with your specific product before you commit to packaging.”
What to Do Before Your Next Range Review
Whether you’re launching a new plant-based SKU or optimizing an existing one:
- Quantify everything you can. “11g Protein” beats “High Protein.” “Only 6 Ingredients” beats “Simple Ingredients.” “Less Than 8g Sugar” beats “Low Sugar.” Every claim that includes a specific number outperformed its vague equivalent in our testing.
- Don’t lead with what you’re not. “Protein Without Whey” was the lowest-performing protein claim at 9.8%. “Nothing To Hide” was near the bottom for transparency. Consumers respond to positive, specific claims — not negation.
- Test ingredient transparency as a primary claim. If your product has a genuinely short ingredient list, that might be your strongest front-of-pack message — even stronger than protein. But this depends on your specific product. Test it.
- Stack your dietary callouts with “Organic” leading. “Organic • Vegan • Gluten-Free” outperformed every other combination, including those that led with “Plant-Based” or “Non-GMO.” Organic carries the most weight in the certification stack.
- Spend less time on taglines, more time on claims. Brand taglines accounted for less than 8% of the purchase decision. The concrete claims on your pack — protein count, ingredient list, sugar content — drive over 90% of preference. Allocate your packaging design time accordingly.
Test Your Own Front-of-Pack Claims
The experiment above tested one product with one set of claims. Your product is different — and the optimal claim hierarchy for your specific formulation, price point, and target consumer may be different too. Run your own claims validation experiment with Saucery — 500 census-representative consumers, results in under two hours — and find out which messages actually drive purchase intent for your brand.