449 third-party lab reports published Volume pricing on every peptide, applied automatically in the cart: 3% off 2–3 · 8% off 4–5 · 12% off 6–7 · 15% off 8–9 · 20% off 10–19 · 25% off 20–29 · 30% off 30–39 · 35% off 40+ units · solvents and lab supplies excluded 99.59% median purity across 254 lots 242 / 242 lots pass sterility

NAD+

★ 4.8 (179 reviews)
175,000+ units shipped · 3 in 4 orders are reorders
14 tests · Batch 1708 · 99.80% purity
Vanguard Laboratory + Eagle Analytical Services Inc.
Batch 1708 · tested 550.39–554.62 mg
Quantity

For research use only. Not intended for diagnostic or therapeutic use. We do not work with patients.

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Certificate of analysis

Current batch for this size · tested July 17, 2026

Purity by batch · last 6 batches: 99.80 · 99.80 · 99.80 · 99.80 · 99.80 · 99.80

Batch#1708
Purity99.80%
TestsEarlier standard · 14 tests
TestedJuly 17, 2026

Labs on this batch: Vanguard Laboratory (ISO 17025:2017 / A2LA #6377.01.01) · Eagle Analytical Services Inc.

14 of 15 tests · 1 not on this report

IdentityUSP <621> · HPLC-UV/VIS
Matches reference standardVanguard
PASS
Chromatographic purityUSP <621> · HPLC-UV/VIS
>99.80%Vanguard · 3 vials tested
PASS
Assay, net peptide contentUSP <621> · HPLC-UV/VIS
550.39–554.62 mgVanguard · 3 vials tested
PASS
Net peptide content variation between unitsUSP <905> · house check on 3 units
0.77%limit 10%
PASS
Content vs certificateUSP 90–110% of label
100.0%
PASS
Adulterant screenHPLC-UV/VIS
Not on this report
—
Heavy metalsUSP <232> / <233> · ICP-MS
ND ppmVanguard · 2 vials tested
PASS
EndotoxinsUSP <85> · LAL
<5.00 EU/mgVanguard · 3 vials tested
PASS
Residual solventsUSP <467> · GC-MS
ND ppmVanguard · 1 vial tested
PASS
Trifluoroacetic acid (TFA)USP <503.1> · Ion Chromatography
<0.10%Vanguard · 1 vial tested
PASS
Container closure integrityUSP <1207> · Dye Ingress Method
PassVanguard · 3 vials tested
PASS
SolubilityUSP <1236> · visual
Fully Soluble in 2 mL WaterVanguard · 3 vials tested
PASS
SterilityUSP <71> · membrane filtration
No GrowthVanguard · 5 vials tested
PASS
Sterility, rapid methodalternative to USP <71> · ScanRDI
PassEagle Analytical
PASS
ConformityQA approval
ApprovedVanguard
PASS
Download PDF ›
All batchesNewest first · every batch we’ve released for this product
Batch 17521000 mg Aug 13, 202699.80%13 tests On sale View certificate ›
Batch 1708500 mg Jul 17, 202699.80%14 tests On sale Showing
Batch 16691000 mg Feb 24, 202699.80%9 tests View certificate ›
Batch 1669500 mg Feb 4, 202699.80%9 tests View certificate ›
Batch 16681000 mg Dec 30, 202599.80%9 tests View certificate ›
Batch 1667500 mg Nov 5, 202599.80%9 tests View certificate ›

Common questions

From the help center · All articles ›

Tech specs

Form
Lyophilized powder
Tested mass
550.39–554.62 mg
Methods
HPLC-UV/VIS · ICP-MS · LAL · GC-MS · Ion Chromatography · Dye Ingress · visual · membrane filtration · ScanRDI

Important research notice. This product is sold exclusively for in-vitro laboratory and research use. It is not a drug, supplement, cosmetic, or food, and is not intended to diagnose, treat, cure, or prevent any condition. For research use only. Not intended for diagnostic or therapeutic use. We do not work with patients. By purchasing, you confirm you are a qualified researcher aged 21 or older.

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