The Pulse · Vol. 2026 · 2026-04-30 · Live
Community-aggregated · Window: 2026-04-27

What the research community is talking about right now.

Posts
685
▲ 31.0% vs 7-day baseline
Threads touched
185
unique discussions
Authors
309
distinct voices in window
Reading 2026-04-27 · generated 2026-04-30 22:29 UTC
Today's lead · Vendor scrutiny

RT15 recon with Hosp and its cloudy with particles floating around. HELP

A thread drawing community attention to cloudiness and particulate matter observed during retinotrexate-15 reconstitution has prompted scrutiny of vendor disclosures, with participants noting that TFA salt impurities may be irremovable by standard micron filtration and that at least one supplier is openly flagging the issue at point of sale.

TFA salts can't be filtered even by the .1um filters so you're pretty much out of luck.

— anon-3e18ad1cfb4c

GYC is selling black top R15 with the caveat that it may reconstitute cloudy, but it can be rectified with PBS, and a warning not to buy if this is unacceptable. (I assume it's from the same manufacturer as Barn and ERP.) Just checked their website and there's nothing left for sale, so it appears they had plenty of takers. I don't know what the pri …

— anon-3120839cf8c4
12 posts · last activity 2026-04-27 · Subscribe to see source thread
§ I.6 · Bad batches

Bad batches just discovered

Last 7 days · classifier-flagged endotoxin or ≤-25% underdose

No bad batches in the last 7 days — that's a good sign.

§ I.5 · While you were away

What changed since yesterday

vs 2026-04-26 · volume +10.5%

New today

  • Reta trials. Subject #007 26p
  • People judge weight loss more harshly when GLP-1 drugs are involved, study finds 25p
  • I learned that you shouldn't do this with retatrutide. 15p
  • Article on the slowdown. 14p

Compounds surfacing

  • Tesamorelin 0 → 11
  • BPC-157 0 → 7
  • Ipamorelin 0 → 7
  • TB-500 0 → 6

Aged out

  • How do I get rid of the 'no source discussion' next to my name?
  • Reta Hunger
  • Pinning with difficulty
  • Using your name when ordering
§ II · Compounds

Most-discussed compounds

By mention volume · 2026-04-27
  1. GHK-Cu 14mentions
    • GHK-Cu protocol for aesthetic purposes? 4m
    • New Aussie Member 1m
  2. glp1▲ 14mentions
    • Fun Fact ,A venomous lizard (Gila monster) started GLP1's 1m
    • Peptides for Arthritis? 1m
  3. MOTS-C▲ 12mentions
    • Fellow early gym goers and Mot-c 3m
    • New Aussie Member 2m
  4. TesamorelinNEW 11mentions
    • Australia41M Aussie. 2m
    • New Aussie Member 1m
  5. Tirzepatide 10mentions
    • First ProRx last week, now BPI No more Compound tirz 2m
    • Hello all from Canada 1m
  6. Retatrutide▲ 9mentions
    • Reta + CJC/IPA counter-synergistic? 2m
    • Hello from NYC 1m
  7. BPC-157▲ 7mentions
    • Autophagy-which aminos break it? 1m
    • Hi from PNW 1m
  8. Ipamorelin▲ 7mentions
    • Reta + CJC/IPA counter-synergistic? 2m
    • Anyone have remission of Obstructive Sleep Apnea with weight loss??? 1m
  9. mounjaro▲ 7mentions
    • GPL1 Mounjaro user 1m
    • New 5 Receptor Agonist 1m
  10. TB-500 6mentions
    • I left my night stack out, is it still good? 1m
    • Hi from PNW 1m
§ III · Hot today

Threads to read first

By post velocity
  1. Reta trials. Subject #007 26posts
  2. People judge weight loss more harshly when GLP-1 drugs are involved, study finds 25posts
  3. I learned that you shouldn't do this with retatrutide. 15posts
  4. Should I move up to 4mg on Reta? 15posts
  5. Article on the slowdown. 14posts
  6. new to rta, please help! 13posts
  7. First ProRx last week, now BPI No more Compound tirz 13posts
  8. Overweight TRT Considerations 13posts
  9. RT15 recon with Hosp and its cloudy with particles floating around. HELP 12posts
  10. Best source of protein! 12posts
Subscribe to see source links →
§ III.5 · Discord chatter

From the research-community Discords

2,741,528 messages in last 24h

Most-active servers (anonymized)

  1. Server-A 340,362 msgs · 322 channels
  2. Server-B 195,645 msgs · 990 channels
  3. Server-C 170,496 msgs · 398 channels
  4. Server-D 149,827 msgs · 929 channels
  5. Server-E 114,718 msgs · 35 channels
  6. Server-F 94,222 msgs · 110 channels

Discord-only compound focus

  1. Retatrutide 492
  2. GHK-Cu 133
  3. BPC-157 133
  4. Ipamorelin 94
  5. Tesamorelin 82
  6. CJC-1295 78
  7. GLOW 73
  8. MOTS-c 71

Server identifiers are anonymized in the public view. Operator console: /pulse/network (key-gated).

§ IV · This week

7-day cumulative

Multi-day rolling stories — sourcing crises, safety incidents
  1. I’m officially addicted… 91posts
  2. Epithalon 79posts
  3. Anyone else place an order during “shutdown”? 75posts
  4. People judge weight loss more harshly when GLP-1 drugs are involved, study finds 69posts
  5. Eli Lily 's Latest Scheme 56posts
  6. Filtering -- the very basics, step by step 53posts
  7. Overweight TRT Considerations 52posts
  8. Hospira Bac 28 days Later 51posts
Subscribe to see source links →
§ V · Vendors

Vendors the community is naming

Mentioned · not ranked
Uther▲ Positive community signal across 203 posts.
alleged scamendotoxin concernsstock issues US/domestic shippingtrust signalgood pricing
56
Nexaph▲ Positive community signal across 281 posts.
stock issuesoverpricedunderdosing reports US/domestic shippingrecommended by communitytrust signal
33
Amino Lair Mentioned in passing.
stock issuesshady reportsoverpriced good pricingrecommended by communityfast shipping
6
Ln Peptides▼ Sentiment trending negative across 12 community posts.
alleged scamslow shippingno tracking / label
6
Mix Peptides▲ Positive community signal across 45 posts.
US/domestic shippingfast shippingtrust signal
6
Bfflink▲ Positive community signal across 15 posts.
US/domestic shippingtrust signalno issues reported
3
§ V.5 · Voices

Voices in the conversation

By post + thread engagement
anon-8640db68e579 14 posts · 11 threads on 39 male new to the grey and peptides.
anon-be596572e94f 13 posts · 9 threads · 3 reactions on How do you organize your supplies?
anon-96afb2864677 11 posts · 11 threads · 1 reactions on West coast reta
anon-4c4989850bf5 11 posts · 10 threads on new to rta, please help!
anon-513f4fef556f 11 posts · 5 threads · 7 reactions on I learned that you shouldn't do this with retatrutide.
anon-276d65d430d4 10 posts · 8 threads · 1 reactions on Best source of protein!