The Performance Stack — Bespoke Biology
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The Performance Stack

Most people plateau for one of two reasons: the body isn't recovering fast enough to absorb the work, or the composition isn't changing regardless of how much work goes in. Usually both, and usually at the same time.

The Performance Stack pairs systemic tissue repair with metabolic reset and cellular energy — addressing the recovery bottleneck and the composition problem together rather than one and then the other.

Repair & Recovery Energy & Metabolic Muscle & Composition Injectable
What The Performance Stack Does
3 Vials
All pre-mixed and ready to use — no reconstitution
4 Peptides
BPC-157, TB-500, Retatrutide, and NAD+
Repair
Tendon, ligament, muscle, and connective tissue
Reset
Appetite regulation and fat metabolism
Built around training
Designed to support hard work rather than substitute for it
Important
These products are not FDA-approved and are available through licensed compounding pharmacies for use under medical supervision. This page is for educational purposes only — dosing and protocol guidance are provided by your clinician during consultation. Always work with a qualified healthcare provider before starting any injectable protocol.
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What's In The Performance Stack

Three vials, four peptides. One handles recovery, one handles composition, and one supplies the energy that both depend on.

The Repair
BPC-157 & TB-500

The most studied combination in tissue repair. BPC-157 drives healing at the injury site — tendon, ligament, muscle, and the gut lining. TB-500 works systemically, helping cells migrate to where they're needed and reducing the inflammation that stalls recovery. Particularly effective in tissue with poor blood supply, where healing is otherwise slow and often incomplete.

The Reset
Retatrutide

A triple-receptor agonist targeting GLP-1, GIP, and glucagon pathways. It regulates appetite and satiety while influencing how the body handles glucose and mobilizes stored fat. For clients whose training is solid but whose composition hasn't followed, this addresses the side of the equation that effort alone often can't move.

The Energy
NAD+

The coenzyme every cell uses to convert nutrients into usable energy, declining steadily with age. Both active tissue repair and a caloric deficit are metabolically expensive, and running them simultaneously is where energy tends to give out. This component keeps the floor from dropping underneath the rest of the protocol.


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Why These Three Together

Training doesn't make you better. Recovering from training does. When recovery capacity is the limiting factor — and past a certain training age or volume, it usually is — adding more work makes the problem worse rather than better. Accumulated damage stops converting into adaptation.

Composition is the other half. Plenty of people train hard and consistently without the body changing to match, because the metabolic side isn't responding. This stack addresses both: BPC-157 and TB-500 raise the recovery ceiling so training converts into progress, Retatrutide moves the composition side, and NAD+ supplies the cellular energy that repair and a deficit both draw down at once.

Repair
BPC-157 & TB-500
Systemic tissue repair — raises the recovery ceiling that caps adaptation
+
Reset
Retatrutide
Appetite regulation and fat metabolism — moves what training alone doesn't
+
Energy
NAD+
Cellular energy — the capacity both repair and a deficit consume

The name is the idea. Performance isn't only what you can do on a given day — it's whether the work compounds. This protocol targets the two things that most often stop it from doing so.


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What The Performance Stack Does For Your Body

Recovery and appetite changes tend to register earliest. Composition and structural changes build more slowly, and are usually clearer in how training feels than in how the scale reads.

Faster Recovery Between Sessions

BPC-157 and TB-500 reduce post-exercise inflammation and accelerate muscle fiber repair, shortening the window between productive sessions. For anyone whose training frequency is limited by how long it takes to feel ready again, this is usually the change noticed first and valued most.

Body Composition & Fat Loss

Retatrutide acts on three metabolic receptor pathways at once, affecting satiety alongside how the body handles glucose and stored fat. Most clients describe it less as suppressed appetite than as food occupying less mental space — which is what makes a deficit sustainable while training hard rather than a constant negotiation.

Tendon, Ligament & Joint Repair

The BPC-157 and TB-500 pairing works particularly well in tendon and ligament — tissue with limited blood supply where healing is normally slow and often incomplete. This makes the protocol well suited to the chronic nagging injuries that accumulate over a training career and never fully resolve on their own.

Training Energy & Output

Training in a deficit normally means accepting reduced output. NAD+ supports the cellular machinery converting nutrients into usable energy, which tends to show up as sessions holding their quality deeper into a protocol rather than degrading as the deficit accumulates.

Gut Lining & Digestive Health

BPC-157 was originally identified through gastric proteins and has a particular affinity for the gut — helping restore the mucosal lining and reduce intestinal permeability. This runs quietly alongside the musculoskeletal work, and is often welcome given that metabolic peptides can bring their own digestive adjustment.

Metabolic & Glucose Handling

Retatrutide's activity across GLP-1, GIP, and glucagon pathways affects how the body manages glucose, not only appetite. For clients whose metabolic health matters as much as their training performance, this works on the underlying handling rather than only the visible outcome.


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What to Expect

A general sense of how this protocol tends to unfold. Individual response varies — your clinician will set expectations specific to your goals and starting point.

Early
Appetite changes usually register first — meals feel satisfying sooner and food thoughts quiet down. Some digestive adjustment is common. Early reduction in joint discomfort often appears in the same window.
Building
Recovery between sessions shortens noticeably. Soreness resolves faster and nagging areas that had been slow to settle start improving. Training output holds up better than a deficit alone would typically allow.
Established
Structural improvements become apparent — better range of motion, more confidence loading previously problematic joints. Composition change shows in measurements and how clothes fit more than in weight alone.
Ongoing
Benefits accumulate across the protocol. Your clinician will advise on duration, adjustments, and how to transition off when goals are met — maintaining composition afterward is its own phase and worth planning deliberately.

Dosing and scheduling are set during your consultation. All vials are pre-mixed and ready to use, but the protocol — how much, how often, what time of day, and how components are sequenced — is determined by your clinician based on your goals, training load, injury history, and response.

Protein intake and training are not optional here. A caloric deficit without a resistance training stimulus and adequate protein will cost lean tissue regardless of what else is running. The repair components support training; they don't replace it, and they can't compensate for underfeeding. Your clinician will discuss nutritional requirements alongside the protocol.


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Who The Performance Stack Is For

  • /Anyone whose training volume has outpaced their recovery capacity
  • /Clients training consistently without the composition change to show for it
  • /People carrying chronic nagging injuries that never fully resolved
  • /Clients over 35 noticing that recovery takes materially longer than it used to
  • /Anyone who wants to lose fat without losing training quality in the process

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Common Questions

Do these come pre-mixed, or do I have to prepare them?+
All vials arrive as fully pre-mixed liquid, ready to draw and inject. There's no mixing or preparation required at any stage.
Can I build muscle while running this?+
Building muscle in a caloric deficit is possible but slower than in a surplus, and depends heavily on training stimulus, protein intake, and how aggressive the deficit is. What this protocol does well is protect the training quality and recovery capacity that make progress possible during a deficit — most clients find they hold or improve strength rather than losing it. Tell your clinician if muscle gain is a priority, as it affects how the protocol should be structured.
How is dosing determined?+
Dosing and scheduling for every component are set by your clinician during consultation, based on your goals, training load, injury history, and prior peptide experience. You'll receive complete written guidance covering amounts, timing, injection technique, and protocol duration before you begin.
How is this different from The Architect?+
Both include BPC-157 & TB-500 for tissue repair, but they pair it differently. The Architect adds growth hormone signaling — oriented toward building, sleep quality, and rebuilding after injury. The Performance Stack adds metabolic intervention — oriented toward composition change alongside recovery. If your goal is rebuilding and lean tissue development, The Architect. If it's recovery plus fat loss, this is the one.
Do I need to train while using this?+
Yes, for this protocol to make sense. Resistance training is the clearest signal you can send that muscle is worth preserving during a deficit, and the repair components are specifically there to support training rather than substitute for it. Adequate protein matters for the same reason. Without both, you're running a metabolic protocol with repair peptides attached to nothing.
Can I keep training hard while in a deficit?+
That's much of the point of this combination. Training in a deficit normally means accepting reduced output and slower recovery — the repair and energy components are there to blunt both. That said, a deficit is still a deficit, and your clinician may recommend adjusting training volume or intensity depending on how aggressive the protocol is and how you're responding.
What happens when I stop?+
Appetite regulation from Retatrutide fades once discontinued, which is why planning the transition matters as much as the protocol itself. Clients finishing with more lean mass and better recovery capacity are in a considerably stronger position to maintain results. Your clinician will plan the transition rather than leaving it to chance.
How should I store these vials?+
Keep all vials refrigerated at 35–46°F (2–8°C). Do not freeze — freezing can degrade the peptides. Keep them out of direct light. Write the date you first opened each vial on its label so you can track it. If you notice cloudiness or discoloration, do not use it — contact your provider.
Where do these products come from?+
All Bespoke Biology products are sourced from USA-based licensed compounding pharmacies and are third-party tested. We're a member of the American Peptide Association. Every protocol is coordinated with clinical oversight — this is not a gray-market product and it isn't sold without a consultation.

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Side Effects to Watch For

  • /Nausea, particularly early in a protocol — usually eases as the body adjusts
  • /Constipation, bloating, or general digestive changes as gastric emptying slows
  • /Reduced appetite to the point of under-eating — monitor intake, as inadequate protein undermines recovery and lean mass
  • /Flushing, warmth, or brief nausea shortly after injecting — most often associated with the NAD+ component
  • /Injection site redness or small bumps — rotate sites every time to reduce this
  • /Mild fatigue, headache, or increased thirst when first starting — stay well hydrated
  • /Rare: persistent vomiting or severe abdominal pain — contact your provider promptly rather than waiting

Most effects are mild and concentrated in the early phase. Contact your provider if anything feels significant, unusual, or doesn't resolve on its own. Metabolic peptides are not appropriate for everyone — certain personal and family medical histories are contraindications your clinician will screen for.

Ready to begin

Start With a Consultation

The Performance Stack is coordinated with clinical oversight. Your consultation establishes whether this protocol fits your goals, and sets the dosing and schedule specific to you.

Book a Consultation

For educational purposes only. Many compounds referenced on this site are investigational and not FDA-approved.
Always consult a qualified healthcare provider before starting any peptide regimen.

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