Does no mention mean a brand is invisible to AI?

No. Absence means the brand was not recorded in this limited set of prompts and usable answers. It does not establish absence from other AI answers.

How often is Optimum Nutrition mentioned?

Optimum Nutrition appeared in 9 usable answers in this snapshot. A mention is not necessarily a recommendation.

Which brands appear most in the budget answers?

Dymatize, Optimum Nutrition appeared in 3 of 3 usable budget answers each. This measures mentions, not verified price or budget compliance.

Does this benchmark prove AI recommendations are biased?

No. Differences in answers do not establish bias or prove that advertising or commercial integrations caused a recommendation. Model, tier and collection changes can also affect comparisons.

How was this protein powder snapshot collected?

3 prompt types were recorded across the participating services. 9 of 9 captured response records contain usable answers, from Claude, Gemini, Perplexity. Brand mentions and recorded ranks are measured separately. Unavailable and explicitly excluded answers do not contribute to brand analysis.

Evergreen monthly benchmark — Jul 9

Protein Powder

Research by Robert Hu · Published by RecoScope · Collected Jul 9, 2026

Usable answers: 9/9
Models: 3
Prompt types: 3

Included: Claude, Gemini, Perplexity

Report history · Jul 9 selected · 14 snapshots

Key takeaway

For a lean-muscle lifter, the three responding engines agree on the same top three in the same order in the ranking prompt - Transparent Labs, Optimum Nutrition, Dymatize - while still telling the buyer to start with Optimum Nutrition on value. That rank-versus-recommend split is the category's defining pattern this run. Legion arriving in two engines at once and Thorne crossing categories are the challenger movements; ChatGPT's second consecutive full outage is the reliability finding.

Compare the model rankings

Mention Frequency Trend

Brands ordered by mention count in each run. Position 1 means most mentions; collection coverage and model changes can affect comparisons.

Scroll sideways to see all dates and labels.

Top Brands by AI Mention Frequency

Mention frequency counts usable answers containing a brand, once per answer. Unranked and critical mentions count as visibility. Recommendation ranks are shown separately below.

Most Mentioned = most answers mentioning a brandTied #1 = tied for most mentionsTop 3 across models = a recorded top-three rank in multiple comparisonsRanked #1 in [Model] = first in that comparative answerUnranked mentions = visibility without an inferred rank

1Optimum NutritionMost Mentioned9/9

2DymatizeTop 3 across models8/9

3Transparent LabsTop 3 across models6/9

4Momentous3/9

5Ghost2/9

Cross-Agent Comparison

Recorded ranks from the comparative prompt (Prompt 3). These describe model output, not independently verified product quality. Historical parsing conventions may differ.

3/3 models with recorded ranks

Agent	#1	#2	#3
Claude	Transparent Labs	Optimum Nutrition	Dymatize
Gemini	Transparent Labs	Optimum Nutrition	Dymatize
Perplexity	Transparent Labs	Optimum Nutrition	Dymatize

All 3 ranked comparisons list Transparent Labs at recorded rank #1

What This Means

The three responding engines split two-to-one on the aggregate #1: Optimum Nutrition leads for Gemini and Perplexity, Transparent Labs leads for Claude, and every engine has the other of those two at #2 - the tightest two-brand aggregate race in the category to date.
The table exposes two profiles the prose would miss: Dymatize is second on total mentions (eight of nine responses) yet reaches only one engine's top 3 (Perplexity #3), the always-present, rarely-top-picked pattern; and Nutricost cracks two aggregate top-3s (Claude, Gemini) on just two mentions, because both were #2 slots in the budget prompts.
The rank-versus-recommend split holds across all three engines: each crowns Transparent Labs #1 in its explicit ranking prompt while advising the buyer to start with Optimum Nutrition on value.
Claude surfaces the deepest ranked list (six brands including Legion, Momentous, Ghost).
Gemini uniquely surfaces Thorne on medical-grade NSF framing.
Perplexity uniquely surfaces Muscle Milk, Vitamin Shoppe house brands, and the plant tier (Orgain, Truvani).
ChatGPT is absent (second consecutive outage day).

Findings and Limitations

The challenger tier shifted rather than thinned: Kaged, Promix, Myprotein, NutraBio, Swolverine, MuscleTech, Levels, Isopure, Premier Protein, and Body Fortress - all present in the May run - did not surface, while Legion (two engines at once), Thorne, Truvani, Muscle Milk, and Vitamin Shoppe house brands entered.
The plant-based tier remains thin and Perplexity-concentrated.
Amazon-strong budget names (Body Fortress, Six Star, Isopure) and the Costco/Walmart retail giant Premier Protein are absent again - the recurring marketplace-vs-AI-visibility disconnect.
No budget brand below Nutricost holds multi-engine agreement.

Recurring themes in the answers

The brands AI favors share whey-isolate-first framing for the lean-muscle persona, third-party testing as the universal gate (NSF Certified for Sport, Informed Sport, Informed Choice - every model now explains the badges unprompted), 20-30g protein per serving as the cited floor, clean-label positioning (no artificial sweeteners) as the premium differentiator, and price-per-serving as the value math every model walks through.

Inspect the captured answers

Saved response text is model output. Product and health claims are unverified. Tables and cards may be transcribed as text; source labels can remain. Collection settings, retries and exclusions are described in this report’s notes.

Claude · Prompt 1Usable answer

Best protein powder, 28yo trains 4-5x/week, lean muscle

Claude P1: Best overall Transparent Labs 100% Grass-Fed Whey Isolate (28g/120cal, no artificial sweeteners, stevia + monk fruit, Informed Sport tested, best protein-to-calorie ratio). Best value Optimum Nutrition Gold Standard (24g, ~1.30-1.70/scoop, 20+ year track record, isolate+concentrate+peptides blend). Best sensitive stomach Dymatize ISO100 (25g hydrolyzed, near-zero lactose, licensed Fruity Pebbles flavors). Best plant Momentous Essential Plant (pea+rice, 20g, NSF Certified for Sport). Rec: ON safest start, TL for cleaner ingredients, ISO100 for stomach issues. Always check third-party badges (NSF, Informed Sport/Choice).

Gemini · Prompt 1Usable answer

Best protein powder, 28yo trains 4-5x/week, lean muscle

Gemini P1: Concentrate-vs-isolate table first (concentrate 70-80% cost-effective; isolate 90%+ for bloat-prone/lean). Industry standard ON Gold Standard (isolate+concentrate blend, 24g/~120cal, mixes clump-free, affordability sweet spot). Clean premium Transparent Labs Whey Isolate (grass-fed, stevia, no sucralose/ace-K/dyes, 28g/130cal). Maximum refined Dymatize ISO100 (hydrolyzed, fastest absorption, arguably best-tasting, near-zero carbs/fats). Look for Certified for Sport / Informed-Choice badges.

Perplexity · Prompt 1Usable answer

Best protein powder, 28yo trains 4-5x/week, lean muscle

Perplexity P1: Whey default, isolate if cleanest digestion. Best value ON Gold Standard Whey (widely recommended, mixes well, 24g reliable starter). Best premium Transparent Labs Grass-Fed Whey Isolate (minimal ingredients, 28g). Best dairy-free Orgain Organic Vegan or Truvani (mixed plant blends better amino coverage than single-source). Rec: isolate first if strength-focused and dairy-tolerant; ON if budget matters; TL for cleaner panel. Target 20-30g/serving, avoid sugar/fillers.

Claude · Prompt 2Usable answer

Protein powder under 50 everyday use, same profile

Claude P2: Best all-around ON Gold Standard 2lb (~35-43, 24g, ~1.30-1.50/serving, most trusted). Best bang for buck Nutricost Whey Concentrate 5lb (~45-50, 25g, ~68 servings, under 0.75/serving, third-party tested, limited flavors). Best clean macros Dymatize ISO100 1.6lb (~35-40, 25g hydrolyzed, <1g fat/carb, ~1.75-2.00/serving, cutting-friendly). Best budget plant NOW Sports Pea Protein 2lb (~22-28, 24g, unflavored, Informed Sport). Practical pick ON Gold Standard 2lb first.

Frequently Asked Questions

Which protein powder brands appear most often?▾

Optimum Nutrition appeared in 9 of 9 answers. This snapshot includes 9 usable answers from Claude, Gemini, Perplexity. Mentions include comparisons and criticism.

Which brands rank first in the protein powder comparison answers?▾

Claude: Transparent Labs; Gemini: Transparent Labs; Perplexity: Transparent Labs

Why do models give different protein powder answers?▾

The three responding engines split two-to-one on the aggregate #1: Optimum Nutrition leads for Gemini and Perplexity, Transparent Labs leads for Claude, and every engine has the other of those two at #2 - the tightest two-brand aggregate race in the category to date. The table exposes two profiles the prose would miss: Dymatize is second on total mentions (eight of nine responses) yet reaches only one engine's top 3 (Perplexity #3), the always-present, rarely-top-picked pattern; and Nutricost cracks two aggregate top-3s (Claude, Gemini) on just two mentions, because both were #2 slots in the budget prompts. The rank-versus-recommend split holds across all three engines: each crowns Transparent Labs #1 in its explicit ranking prompt while advising the buyer to start with Optimum Nutrition on value. Claude surfaces the deepest ranked list (six brands including Legion, Momentous, Ghost). Gemini uniquely surfaces Thorne on medical-grade NSF framing. Perplexity uniquely surfaces Muscle Milk, Vitamin Shoppe house brands, and the plant tier (Orgain, Truvani). ChatGPT is absent (second consecutive outage day).