Most people on GLP-1 medications are not only eating less—they are rebuilding a shopping basket around protein, fiber, produce, and supporting supplements. Boston Consulting Group’s August 2026 survey finds active users plan roughly 20% more spending on protein and fiber supplements and collagen. PwC’s 2026 research shows 80% of current users—and 74% of lapsed users—already piece together supporting products alongside treatment. That is wraparound wellness in practice: functional nutrition that helps you feel strong while appetite is quieter.

Key Takeaways

• BCG: active GLP-1 users plan about +20% more spend on protein, fiber supplements, and collagen—tied to genuine need and a broader shift toward health tracking.
• BCG also sees planned monthly lifts of +15% for fruits and vegetables and +11% for high-protein foods, with candy and prepared frozen sides down −14% and −12%.
• PwC: 80% of current and 74% of lapsed users use at least one supporting product with treatment.
• PwC grocery panel signals: more fresh produce (44%), packaged protein (35%), and fresh protein (34%); Greek yogurt, jerky, and nutrition bars show transaction lifts in Numerator data.
• Marketplace products on Paceline are curated third-party brands—not Paceline-manufactured goods—chosen to support consistency around protein, recovery, and daily nutrition.

“Active users say they will spend around 20% more on protein and fiber supplements and collagen… This pattern reflects both genuine need… and a broader shift toward health tracking and optimization.” — BCG (2026)

What are “supporting products” for GLP-1 users?

Supporting products are the nutrition and wellness items people add around a GLP-1 prescription—protein powders, fiber, collagen, electrolytes, creatine, digestive comfort aids, and convenient high-protein foods. They are not a substitute for medical care. They are the practical layer that helps users hit protein targets, manage satiety quality, and protect lean mass when total food volume drops.

PwC describes this as users “piecing together their own routines.” Eighty percent of current users and 74% of lapsed users surveyed already do it. The opportunity for brands and platforms is not more noise—it is a clearer, curated path so people stop improvising across a dozen aisles and apps.

How are GLP-1 users changing their nutrition and purchasing habits?

BCG’s Center for Customer Insight surveyed more than 1,500 GLP-1 users in nine markets. Beyond the headline +20% planned lift for protein, fiber supplements, and collagen, active users also reported:

• +15% planned monthly spend on fruits and vegetables
• +11% on high-protein foods
• About −14% on candy and −12% on prepared frozen sides
• Roughly −10% each on salty snacks, alcohol, soft drinks, and chocolate (planned)

When “freed” money from eating less is reallocated, BCG finds a rough thirds pattern: about one-third to savings, one-third to co-pays, and one-third redirected into categories such as supplements, beauty and personal care, apparel, fitness, and aesthetics. For a consistency-first wellness brand, the relevant slice is clear: functional nutrition and fitness—not deprivation theater.

BCG also notes users are about twice as likely to choose functional (health-benefit) products as premium-for-premium’s-sake options. That favors transparent protein, fiber, and recovery formulas over trend packaging.

How are grocery carts changing?

PwC’s 2026 GLP-1 Usage & Attitudes Survey (May 2026; 3,089 consumers) plus Numerator transaction analysis paints a similar picture from receipt data:

• Per-household grocery spend is down about 5.5%—rebalancing, not only cutting.
• 61% of current users buy fewer sweet treats; 56% buy fewer salty snacks.
• 44% buy more fresh produce; 35% more packaged protein; 34% more fresh protein.
• Category transaction lifts at roughly 6–8 months post-start include Greek yogurt (+6.8%), jerky (+7.9%), nutrition bars (+3.4%), and energy drinks (+7.0%).

In other words: less impulse sugar and salt, more protein-forward and produce-forward staples. That aligns with how registered dietitians often coach GLP-1 nutrition—protein first, fiber for digestive comfort and fullness quality, then the rest of the plate.

Why do protein and fiber rise so sharply on GLP-1s?

GLP-1 receptor agonists reduce appetite and slow gastric emptying. Eating less can make it harder—not easier—to hit protein needs that help preserve muscle during weight loss. Fiber supports digestive regularity and meal quality when portions shrink. Collagen spend, in BCG’s framing, sits alongside that broader optimization impulse.

For a deeper clinical nutrition walkthrough, see Paceline’s earlier guide: Protein and Nutrition on GLP-1 Medications. The shopping takeaway is simpler: if whole-food protein is hard to finish, a high-quality powder can close the gap on low-hunger days. Third-party options available through Paceline’s Marketplace—such as Momentous Whey Protein Isolate, 100% Plant Protein Powder (or Plant Protein for Lifelong Strength), Thorne’s GLP-1 Support Stack, or Ora Organic’s Natural GLP-1 Support—are fulfilled by partner brands and chosen for transparency and testing standards, not because they are Paceline-owned products.

How do disease managers and lifestyle optimizers shop differently?

BCG’s archetypes help explain cart differences:

• Lifestyle optimizers (41%) push fitness, wearables, and apparel hardest.
• Disease managers (27%) lean into supplements, anti-nausea support, and gut health.
• All-in consumers (13%) spend across nearly every non-food wellness category.

Many real shoppers blend these motives: protein for muscle preservation, fiber for comfort, creatine for training quality, and hydration support on lower intake days. PwC’s wraparound framing is the strategic mirror—medication plus nutrition plus fitness plus mental health—rather than a single SKU promised as a miracle.

How should you build a GLP-1 wraparound cart without overbuying?

Start with gaps, not aisles:

1. Protein gap: Can you reliably hit your clinician- or dietitian-guided target from food alone? If not, add one well-tolerated protein source.
2. Fiber gap: Are smaller meals leaving you uncomfortable or irregular? Discuss fiber strategy with your clinician before stacking multiple products.
3. Training support: If you lift two to three times weekly, evidence-backed basics (protein, and for many people creatine) matter more than novelty blends.
4. Durability test: BCG finds supplement and fitness behaviors often persist after treatment pauses—prefer products you would still use in a maintenance season.

Then keep the system light: one primary protein, one fiber approach, and only add extras you can explain in a single sentence.

Where does Paceline’s Marketplace fit?

Paceline’s Marketplace is a curated shelf of partner-brand wellness products—protein, recovery, and related essentials—meant to sit beside app-based movement tracking. It is designed for people who want fewer, better choices while building habits that last beyond any single prescription window. Shoppers specifically looking for GLP-1 wraparound nutrition can start with partner options such as Thorne’s GLP-1 Support Stack - Lemon or GLP-1 Support Stack - Berry, or Ora Organic’s Natural GLP-1 Support—alongside protein staples like Momentous Whey Protein Isolate and 100% Plant Protein Powder—third-party products fulfilled by those brands, not Paceline-owned formulas.

Download the App to track consistency and browse curated Marketplace options from third-party brands when nutrition support would help.

What is the bottom line on what GLP-1 users buy?

The modern GLP-1 cart is intentional: more protein and produce, less candy and salty filler, and a large majority already using supporting products. BCG’s +20% planned lift for protein, fiber supplements, and collagen—and PwC’s 80%/74% supporting-product rates—describe a market that wants wraparound wellness, not another disconnected aisle. Shop for function, keep the stack small, and let habits—not novelty—decide what stays.

This article is for educational purposes only and does not constitute medical advice. Supplement needs vary; consult a qualified healthcare provider or registered dietitian before adding products, especially while using a GLP-1 medication.

FAQ

What supplements do GLP-1 users buy most, according to BCG?

BCG reports active users plan around 20% more spending on protein and fiber supplements and collagen, reflecting both nutritional need during lower intake and a broader shift toward health optimization.

Do people keep buying supporting products after they stop a GLP-1?

Yes—PwC finds 74% of lapsed users still use supporting products, and BCG notes supplement and fitness behaviors are among the more durable post-lapse patterns.

Are Marketplace products on Paceline “Paceline products”?

No. Marketplace items are third-party partner brands fulfilled by those brands. Paceline curates options that fit a premium wellness standard; they are not Paceline-manufactured goods.

Is grocery spending simply down for GLP-1 households?

PwC reports about a 5.5% decline in per-household grocery spend alongside clear rebalancing: fewer sweet and salty snacks, more produce and protein-forward categories.

How do I avoid over-supplementing on a GLP-1?

Identify one protein gap and one comfort/fiber gap first, confirm safety with your clinician, and only add training-specific basics if you are actually strength training consistently.

Sources: Boston Consulting Group, “The Unexpected Ways GLP-1s Are Transforming Consumer Behavior” (Aug. 6, 2026), bcg.com. PwC, “The end of more: How GLP-1 users shop, eat, and seek support” (June 22, 2026), pwc.com.