Aging
NAD+ Peptide Therapy: Hype, Science, and What $400 a Vial Actually Buys You
NAD+ biology is real, but the clinic vial is less proven than the marketing suggests. Here is what the evidence actually supports.
May 10 · 11 min read
Edited for you
Browse the full archive →Recommendations for the week ahead
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Health
The Peptide Stack That Fixed Chronic Tendinitis When Cortisone Couldn't
Cortisone keeps failing chronic tendinopathy. Here is the BPC-157, TB-500, GHK-Cu, and Thymosin alpha-1 evidence — and where the human RCT gap actually is.
May 10 · 14 min read
Fitness
MK-677 (Ibutamoren): The Oral Growth Hormone Promise — Real or Hyped?
MK-677 raises growth hormone and IGF-1 like the marketing promises. Across 30 years and six clinical-trial indications, none of those biomarker wins translated into the outcomes humans actually wanted.
May 9 · 16 min read
Aging
CJC-1295 + Ipamorelin: The Stack Behind Hollywood's Quiet Body Transformations
Why Hollywood prefers CJC-1295 paired with Ipamorelin over exogenous HGH — the mechanism, the cycle, the recomp timeline, and the honest risks behind the look.
May 8 · 14 min read
Fitness
IGF-1 LR3: The Most Powerful Muscle Peptide — and Why It's Also the Riskiest
May 8 · 15 min read
Fitness
Hexarelin vs. Ipamorelin: Which Growth-Hormone Peptide Wins for Lean Muscle?
Hexarelin hits harder; Ipamorelin holds steadier. The lean-mass evidence in healthy adults is thinner than either side admits.
May 8 · 13 min read
Aging
Bryan Johnson's Peptide Stack — Decoded for Mortals on a Normal Budget
Bryan Johnson's public peptide story is narrower than the internet claims. Here's what is documented, what is speculation, and what to copy safely.
May 7 · 12 min read
Aging
Anti-Aging Peptides for Women Over 50: The Hormone-Friendly List
A conservative guide to anti-aging peptides after menopause, focused on skin support, GH-axis caution, HRT context, and monitoring.
May 6 · 10 min read
Aging
Anti-Aging Peptides for Men Over 40: A Doctor's Honest Protocol
A conservative, evidence-tiered protocol for men over 40 considering peptides, with screening, legal status, monitoring, and stop rules.
May 6 · 12 min read
The long read
All long reads →A slower piece, on one thing.
Fitness · In-depth essay
The 7 Muscle-Building Peptides Bodybuilders Use (and 3 They Quietly Avoid)
A safety-first guide to seven muscle-building peptides bodybuilders discuss, the evidence behind them, and three high-risk compounds to avoid.
Begin reading11 min read
Letter from the editorial team
On the quiet parts of getting well.
GHK-Cu has multiple clinical trials for hair.
AHK-Cu has one lab study. Here's what the evidence says about each copper peptide.
The HL Benefits Editorial TeamEditorial desk
“
The goal isn’t to be comfortable with change — it’s to be comfortable with one small change, on a schedule, held for a year.
From “AHK-Cu vs. GHK-Cu: Which Copper Peptide Wins for Thinning Hair?” · The HL Benefits Editorial Team · May 2026
By topic
See all categories →What we’re reading across the desks.
Health
The 7 Red Flags of a Sketchy Peptide Vendor (Spot Them Before You Inject)
8 minThe Peptide Stack That Fixed Chronic Tendinitis When Cortisone Couldn't
14 minIs BPC-157 Safe? A Full Risk Breakdown for First-Time Users
11 minBPC-157 Dosage Guide: How Much, How Often, and When to Stop
12 minFood & Nutrition
The 5 Foods That Naturally Boost Your Body's Own GLP-1 Production
12 minPersonalized Nutrition: DNA-Based, Biomarker, and AI-Driven Diet Plans in 2026
16 minHigh-Protein Snacks and Desserts: The Best Options in 2026
13 minFunctional Beverages 2026: Adaptogen Drinks, Mushroom Coffee, and Prebiotic Sodas
15 minWeight Loss
Weight Loss Peptides After 50: What Changes for Women in Perimenopause
14 minWhy Tirzepatide Users Lose 22% of Their Body Weight — and What Happens When They Stop
14 minThe GLP-1 Side Effect List Your Doctor Probably Won't Mention
16 minLiraglutide vs. Semaglutide vs. Tirzepatide: A Plain-English Comparison Chart
14 minFitness
MK-677 (Ibutamoren): The Oral Growth Hormone Promise — Real or Hyped?
16 minIGF-1 LR3: The Most Powerful Muscle Peptide — and Why It's Also the Riskiest
15 minHexarelin vs. Ipamorelin: Which Growth-Hormone Peptide Wins for Lean Muscle?
13 minThe 7 Muscle-Building Peptides Bodybuilders Use (and 3 They Quietly Avoid)
11 minThe Quiet Podcast · Coming soon
Notebook-LM reads the magazine — deep-dive conversations, weekly.
We’re recording with NotebookLM. Expect a deep-dive and a short-form version of each issue’s best essays, delivered to your favorite podcast app when we launch.