Guides that answer the real questions
Written from primary sources and evidence-graded — no vendor spin, because we don't sell peptides.
TRT
TRT
SubQ vs IM Testosterone: Subcutaneous or Intramuscular?
IM vs SubQ testosterone compared: blood levels, dose, pain, labels and how to switch routes.
12 min read
TRTHow to inject testosterone
Step-by-step for SubQ and IM, with sites and technique.
8 min read
TRTTRT bloodwork: what and when
The panels that matter and the timing that makes them valid.
9 min read
TRTTRT Microdosing: Daily & EOD Doses, With Calculator
Daily and EOD protocols for steadier levels, plus a calculator and a mg → mL → units table.
7 min read
TRTTRT results timeline
What to expect week by week and month by month.
8 min read
TRTTestosterone Ester Half-Lives: Cypionate, Enanthate, Propionate & Blends
What labels and studies report for each ester — and why Test 400 and other blends have no single half-life.
12 min read
TRTTestosterone Cypionate vs Enanthate
Near-identical curves; what actually differs is the oil, the device, availability and how a switch is handled.
10 min read
TRTHigh Hematocrit on TRT: Thresholds, Causes and What Doctors Do
Guideline hematocrit cutoffs, why injections raise it most, and how prescribers respond — from dose changes to phlebotomy.
11 min read
TRTEstradiol on TRT: Normal Range, Symptoms and Aromatase Inhibitors
Why E2 rises on TRT, sensitive vs standard assays, and what guidelines say about aromatase inhibitors.
9 min read
TRTTRT vs Enclomiphene: How They Differ for Low Testosterone
Mechanism, fertility, evidence and regulatory status — enclomiphene is not FDA-approved.
9 min read
TRTTRT Side Effects: What's Common, What's Serious, What to Monitor
Acne, hematocrit, blood pressure, fluid, sleep apnea and fertility — what the labels, guidelines and TRAVERSE say.
12 min read
TRThCG on TRT: Fertility, Testicular Size and the Evidence
Why TRT suppresses sperm production, what hCG co-therapy studies found, and hCG's status as a biologic since 2020.
10 min read
TRTTestosterone Gel vs Injections: Levels, Side Effects and Practicalities
Blood levels, hematocrit, skin transfer and daily routine compared from the labels and studies.
11 min read
Peptides
Peptides
Are peptides safe?
What the evidence actually says, tier by tier.
11 min read
PeptidesBPC-157 and TB-500 together
The popular recovery pairing — dosing and evidence.
9 min read
PeptidesHalf-life, explained
Why levels stack across doses — and how to plan around it.
7 min read
PeptidesPT-141 (Bremelanotide) for Women: Approved Dose and Evidence
The approved Vyleesi dose, what the phase 3 trials found, and the side effects.
9 min read
PeptidesSemax vs Selank: What the Research Shows
Two Russian nasal peptides — what the studies measured and what's still unknown.
9 min read
PeptidesCJC-1295 and Ipamorelin: What the Evidence Shows
Mechanism, DAC vs no-DAC, the few human studies, FDA safety signals and 2026 regulatory status.
10 min read
PeptidesBest peptide tracker apps in 2026
What to look for in a dose tracker — and how Peptide Me compares.
8 min read
Technique
Technique
Injection sites & rotation
Why rotation matters and how to map your sites.
5 min read
TechniqueHow to Inject Testosterone in the Deltoid (Shoulder)
Where the axillary and radial nerves run, how far below the acromion to go, needle length by weight and the deltoid's volume limit.
9 min read
TechniqueVentrogluteal Testosterone Injection: Location & Technique
The V method step by step, why the side of the hip avoids the sciatic nerve, needle length by build and the 3 mL limit.
9 min read
TechniqueHow to Inject Testosterone in the Thigh (Vastus Lateralis)
Finding the outer middle third, why not the front or inner thigh, IM needle length, volume and the SubQ thigh option.
8 min read
TechniqueHow to inject peptides
Reconstitution and subcutaneous injection, step by step.
7 min read
TechniqueHow to Take Peptides: Injection vs Oral vs Nasal vs Topical
Why most peptides are injected, and which ones have approved oral or nasal forms.
9 min read
TechniqueInsulin Syringe Units Explained: U-100, mL and mg for Peptides
U-100 vs U-40 vs U-500, barrel sizes, and converting units to mL and mcg.
9 min read
TechniqueBacteriostatic Water for Peptides: What It Is, How Much to Add
BAC water vs sterile water, where the 28-day rule comes from, and how the volume you add changes the units you draw.
10 min read
TechniqueHow to Store Peptides: Before and After Reconstitution
What FDA labels of approved peptides say about fridge, freezer, light and in-use time, and why research-peptide data is missing.
9 min read
TechniqueNeedle Gauge and Length for TRT and Peptide Injections (25G to 31G)
What gauge and length mean, drawing vs injecting needles, SubQ vs IM length by site and build, and dead space.
10 min read