The free daily newsletter to learn what peptides do, see real results, and know what's actually been tested.
Can a copper peptide cream really help wrinkles?
Good morning. Here's what's in today's email:
About 5 minutes to read
We read thousands of posts and comments from people curious about peptides. These came up again and again.
Each page lists the peptides people use for that goal and shows which ones were tested in people and which only in animals.
The same five parts every morning, so you always know where to look. I write it myself, and it takes about five minutes to read with your coffee.
Get the free email Free. Plain English. Unsubscribe in one click.Of 52 peptides, 13 have strong human evidence, 16 have some human studies, 11 have early human data and 12 have only been tested in animals.
No match. Try another spelling, or browse the full database.
Each change has its date and its source. The legal-status guide has the full timeline.
The Pharmacy Compounding Advisory Committee recommended adding BPC-157 to the list of bulk substances pharmacies may compound from. The vote does not bind the FDA, and it does not make BPC-157 legal to compound.
Source: trade press reports of the meeting What the vote does and does not changeFDA now lists BPC-157, TB-500, CJC-1295, KPV and MOTS-c as nominations that were withdrawn. GHRP-2, GHRP-6, ipamorelin, kisspeptin-10 and MK-677 remain in Category 2.
Source: FDA, 503A Category 2 list Read the legal-status guideThe FDA approved orforglipron (Foundayo) for chronic weight management. It is a small molecule, not a peptide, and it is taken by mouth once a day.
Source: FDA approval, reported by Healio See it in the GLP-1 guideThe agency said it would restrict the GLP-1 ingredients used in mass-marketed compounded drugs. The semaglutide and tirzepatide shortages that allowed compounding ended in 2025.
Source: FDA press release Compounding timelineA vial labeled in mg, an amount written in mcg, a syringe marked in units. Most mixing mistakes start there. These calculators show the math step by step. They give numbers, not dosing advice.
You can order many blood tests yourself, no doctor's note needed. The Lab Reader explains each number and links the studies behind it.
Order your own labs. No referral needed, dozens of panels available direct-to-consumer.
The Lab Reader explains every number in plain English, flags what's off, and links the studies on each one.
The studies on each marker that is out of range, graded by evidence. Take them to your doctor.
Each topic has its own guides, calculators and the research behind them.
Sleep stages, sleep debt and the supplements with trial data.
Iron, thyroid, mitochondria and afternoon crashes.
Explore →Mood, stress, and clear thinking.
Explore →Muscle, training, recovery.
Explore →Aging markers and what changes them in human trials.
Explore →Skin and hair from the inside out.
Explore →Balance, weight, and metabolic health.
Explore →Digestion, the gut lining and immune function.
Explore →What each stage of sleep does, why you can wake up wrecked after a full night, and five changes that get you more deep sleep.
Upload the PDF from your blood test. We explain every number in plain English, flag what is off, and show what the studies say about it. Then take it to your doctor.
Try the Lab ReaderMagnesium, ashwagandha and the rest: what each is good for, the usual amounts, what it interacts with, and the source for each.
| Compound | Best for | Evidence | Typical dose |
|---|---|---|---|
| | Sleep quality | B | 200–400 mg before bed |
| | Stress & cortisol | B | 300–600 mg daily |
| | Calm focus | B | 100–200 mg |
| Reishi | Relaxation | C | 1–1.5 g extract |
| Apigenin | Sleep onset | C | 50 mg |
Put in your own numbers, like hours slept or body weight, and get an answer for you.
Find out how much you owe and what it is costing you in performance.
Two minutes. A personalized read and your first protocol step.
Caffeine after 2pm?
Daily protein target and calorie needs matched to your body and goal.
Every claim is labeled by what it was tested in: people, animals, or a reader's own report. Each claim links to the study or agency page it came from, and a second editor checks it before it goes up.
Eight hours in bed does not equal eight hours of sleep. Here is what actually determines whether sleep restores you, and the levers you can pull to change it.
Creatine, CoQ10, and the lifestyle inputs that actually move the needle on daily energy.
What the research says about L-theanine, lion's mane, and the dopamine loops that wreck focus first.