Sport research · CrossFit

Peptides for CrossFit: mixed-modal load and recovery research

CrossFit asks for strength, gymnastics and engine in the same workout. This page maps that mixed load onto the evidence radar and flags which compounds are banned under CrossFit’s WADA-aligned testing.

Low-contact sportWADA 2026 status checkedVerified PubMed citations

Tested athletes: read this first

Under the WADA 2026 Prohibited List (in force from 1 January 2026), BPC-157 is named under S0, TB-500 under S2.3, Ipamorelin and Tesamorelin under S2.2.4 and MOTS-c under S4.4.1 — all prohibited in and out of competition. Research peptides with no regulatory approval anywhere are caught by S0’s catch-all wording. Tested athletes: these are banned. South African athletes can check with SAIDS and the official 2026 List.

The demands

What crossfit asks of the body

A typical CrossFit week combines Olympic lifts, powerlifting-style strength work, high-volume gymnastics (pull-ups, muscle-ups, handstand work) and metabolic conditioning. Injury data point to the shoulder, lower back and knee — the joints that take overhead load, hinge load and high-repetition jumping — with most injuries occurring in gymnastics and lifting movements rather than conditioning.

Because workouts are scored for time or load, athletes often push technique under fatigue, which is where tendon overload shows up. Recovery between sessions is the real limiter for anyone training five or six days a week.

South Africa has a large affiliate community in every major city and a competitive scene feeding into the CrossFit Games season. CrossFit runs its own drug-testing programme aligned to the WADA Prohibited List, so the anti-doping table applies to anyone competing at sanctioned events.

Mapped to the evidence radar

Each demand below is mapped to one of the ten fixed research areas on our evidence radar. The heavier the weight, the more that area counts when compounds are ranked for CrossFit: Recovery & Repair ×3, Muscle & Body Composition ×2, Sleep & Recovery Rhythm ×2, Longevity & Energy ×2.

Shoulders, backs and knees · Recovery & Repair
Overhead, hinge and jumping volume. Repair research in the catalogue is largely rodent work on BPC-157 and Thymosin β4.
Strength and power · Muscle & Body Composition
Lifting performance. The compounds that touch Muscle — Ipamorelin, Tesamorelin, MOTS-c — are all named on the 2026 WADA List.
The engine · Longevity & Energy
Metabolic conditioning taxes mitochondrial capacity; mitochondrial research sits on this axis.
Five- and six-day weeks · Sleep & Recovery Rhythm
High weekly frequency needs sleep to keep up. Sleep evidence here is Russian clinical research in older adults.

By the evidence

Highest-scoring compounds for CrossFit

Ranked by weighted evidence score across CrossFit’s research areas. A reading aid for the literature — not a recommendation, and not a performance claim.

Top three for CrossFit, overlaid · strength of published evidence per area

Show the scores as a table

Evidence score per research area, 0 to 10
Area	KLOW	Ipamorelin	Tesamorelin
Fat Loss & Metabolism	2	5	8
Appetite Control	1	3	3
Muscle & Body Composition	6	8	7
Recovery & Repair	10	7	6
Skin, Hair & Glow	10	5	5
Gut & Immune	10	5	4
Cognition & Focus	6	4	7
Mood & Calm	5	4	5
Sleep & Recovery Rhythm	3	7	7
Longevity & Energy	9	6	7

KLOW

In stock

7.3CrossFit match

Recovery & RepairPrimary10/10

Extensive animal and tissue studies demonstrate rapid healing of tendon, ligament, muscle, and bone.

Muscle & Body Composition6/10

Promotes myoblast proliferation and accelerates functional recovery after mechanical muscle tears.

Sleep & Recovery Rhythm3/10

Indirect — studied via anti-inflammatory and nervous-system gene-expression pathways; limited direct sleep data.

S0 + S2.3KLOW contains BPC-157 (named in S0) and TB-500 (named in S2.3). Tested athletes: this is banned.

Research overview View compound

Ipamorelin

Restocking

7.0CrossFit match

Recovery & RepairPrimary7/10

Enhanced IGF-1 upregulates collagen synthesis and accelerates connective tissue reconstruction.

Muscle & Body Composition8/10

Selectively stimulates potent, pulsatile growth hormone and IGF-1 release without elevating cortisol.

Sleep & Recovery Rhythm7/10

Growth hormone pulses reinforce deep slow-wave restorative sleep cycles and REM stability.

S2.2.4Ipamorelin is named among the growth hormone secretagogues (S2.2.4), non-Specified, prohibited at all times. Tested athletes: this is banned.

Research overview Notify me on restock Glossary

Tesamorelin

Restocking

6.7CrossFit match

Recovery & RepairPrimary6/10

Raises IGF-1, the axis studied for collagen synthesis and connective-tissue repair.

Muscle & Body Composition7/10

Clinically documented to increase functional lean body mass alongside visceral fat reduction.

Sleep & Recovery Rhythm7/10

GHRH signaling deepens Stage 4 slow-wave restorative sleep architecture.

S2.2.4Tesamorelin is named as a GHRH analogue (S2.2.4), non-Specified, prohibited at all times — even though it is an approved medicine elsewhere. Tested athletes: this is banned.

Research overview Notify me on restock Glossary

Epitalon

Restocking

6.6CrossFit match

Recovery & RepairPrimary5/10

Supports immune surveillance and restorative cellular maintenance cycles.

Muscle & Body Composition3/10

Indirect — studied via neuroendocrine and melatonin regulation in ageing models; limited direct muscle data.

Sleep & Recovery Rhythm9/10

Restores youthful nocturnal melatonin rhythm in clinical gerontology trials.

S0Not named. Epitalon has no current approval as a medicine anywhere we can find, which is the S0 test. Tested athletes should treat it as banned.

Research overview Notify me on restock Glossary

MOTS-c

Restocking

6.4CrossFit match

Recovery & RepairPrimary6/10

Stimulates mitochondrial biogenesis, accelerating cellular metabolic recovery post-exertion.

Muscle & Body Composition7/10

Enhances skeletal muscle glucose uptake and dramatically increases physical exercise capacity.

Sleep & Recovery Rhythm4/10

Indirect — mitochondrial and metabolic rhythm pathways; limited direct sleep data.

S4.4.1MOTS-c is named among the AMPK-activating metabolic modulators (S4.4.1), non-Specified, prohibited at all times. Tested athletes: this is banned.

Research overview Notify me on restock Glossary

NAD+

Restocking

6.2CrossFit match

Recovery & RepairPrimary6/10

Accelerates cellular repair following metabolic or oxidative stressors.

Muscle & Body Composition5/10

Optimizes muscle mitochondrial ATP synthesis and cellular energy throughput.

Sleep & Recovery Rhythm5/10

NAD+ couples to the circadian clock via SIRT1/CLOCK in mouse work (Science 2009).

M2.2NAD+ itself is not named. Delivering anything by IV infusion or injection above 100 mL per 12 hours outside hospital care is a prohibited method (M2.2).

Research overview Notify me on restock Glossary

Scores (0–10) rate the strength of the published research link in each area — large human trials score highest, then smaller human studies (Russian clinical research counted at full weight), then animal and lab work. They describe the literature, not an outcome for any person or athlete. All compounds are supplied strictly for laboratory research purposes and are not for human consumption.

The literature

What published research says about crossfit

MOTS-c improved physical capacity in mice across ages and is raised by exercise in human muscle.[1]
Review of BPC-157’s preclinical musculoskeletal soft-tissue healing literature.[2]

Anti-doping

WADA 2026 status of every compound on this page

Quoted from the WADA Prohibited List 2026 (in force 1 January 2026). Where a compound is not named, we say so and explain how the List’s wording applies.

WADA 2026 Prohibited List status per compound
Compound	Status	What the 2026 List says
KLOW	Prohibited — named · S0 + S2.3	KLOW contains BPC-157 (named in S0) and TB-500 (named in S2.3). Tested athletes: this is banned.
Ipamorelin	Prohibited — named · S2.2.4	Ipamorelin is named among the growth hormone secretagogues (S2.2.4), non-Specified, prohibited at all times. Tested athletes: this is banned.
Tesamorelin	Prohibited — named · S2.2.4	Tesamorelin is named as a GHRH analogue (S2.2.4), non-Specified, prohibited at all times — even though it is an approved medicine elsewhere. Tested athletes: this is banned.
Epitalon	Treat as prohibited · S0	Not named. Epitalon has no current approval as a medicine anywhere we can find, which is the S0 test. Tested athletes should treat it as banned.
MOTS-c	Prohibited — named · S4.4.1	MOTS-c is named among the AMPK-activating metabolic modulators (S4.4.1), non-Specified, prohibited at all times. Tested athletes: this is banned.
NAD+	Method limit (IV) · M2.2	NAD+ itself is not named. Delivering anything by IV infusion or injection above 100 mL per 12 hours outside hospital care is a prohibited method (M2.2).

FAQ

CrossFit: common questions

Does CrossFit drug test for peptides?

Yes. CrossFit’s drug-testing policy follows the WADA Prohibited List. BPC-157, TB-500, Ipamorelin, Tesamorelin and MOTS-c are all named on the 2026 List.

Which compound scores highest for CrossFit on your radar?

Repair carries the most weight, so the tissue-repair compounds lead, followed by compounds with Muscle and Longevity research. Every score is literature strength, not an effect in an athlete.

Is there a CrossFit recovery hub?

Yes — see the crossfit-recovery hub linked below for recovery-focused reading.

Keep reading