≥99%
HPLC / MS
Per-lot
COA
Third-party
Verified testing
MODE-P · Performance
Vitamin B-12
Ready-to-use B-12 studied for everyday energy and nervous-system support.
Methylcobalamin
Methylcobalamin, pre-mixed — studied in energy-metabolism and neurological research. Ready for laboratory use.
Certificate of Analysis — batch-specific
Every lot is independently verified for identity (LC-MS) and purity (HPLC), with heavy-metals and endotoxin screening. The COA for your exact vial is available on request or in the library.
Pairs with
Bacteriostatic Water · 10 mL
Research-grade laboratory solvent.
Purity guarantee: if an independent HPLC test on your vial returns below spec, we refund the order and the cost of the test.
For research use only. Not for human consumption, diagnostic, or therapeutic use.
Third-party tested
Independent HPLC / MS analysis
Cold-chain handling
Temperature-aware packaging
Fast domestic shipping
Same/next-day dispatch, tracked
Secure checkout
Encrypted Stripe payments
Research summary
Methylcobalamin, pre-mixed — studied in energy-metabolism and neurological research. Ready for laboratory use.
Studied mechanism
Methylcobalamin
Provided as reference information for qualified researchers. ProGrade makes no therapeutic, diagnostic, or performance claims.
Specifications
| Compound | Vitamin B-12 |
|---|---|
| Format / fill | Pre-mixed |
| Purity standard | USP-grade methylcobalamin |
| Analysis | HPLC (purity) + LC-MS (identity), independent third-party laboratory |
| Research category | MODE-P · Performance |
| Storage | Store refrigerated (36–46°F); protect from light. |
| Intended use | Laboratory research use only (RUO) |
Storage & handling
Store refrigerated (36–46°F); protect from light.
