Energy & Vitality
Methylcobalamin B12 1mg/mL
Methylated B12, the bioavailable form. The cheapest thing in the catalogue and the one most likely to be doing quiet work in the background.
$43
Weight Loss
Tirzepatide + B12 17mg
Tirzepatide pre-mixed with methylcobalamin in a ready-to-use solution. The B12 is there to blunt the fatigue people report early in titration.
from$466
Weight Loss
Tirzepatide + B12 34mg
Double-strength ready-to-use tirzepatide with B12. Suits anyone settled into a stable weekly dose who wants fewer shipments.
from$466
Weight Loss
Tirzepatide + B12 68mg
The full-quarter ready-to-use vial. Best cost per milligram in the liquid tirzepatide line.
from$466
Weight Loss
Semaglutide + B12 2.5mg
The standard starting vial. Semaglutide and methylcobalamin already in solution, so week one takes about ninety seconds.
from$258
Weight Loss
Semaglutide + B12 5mg
Double-strength ready-to-use semaglutide with B12, for anyone who has finished the first titration block.
from$258
Weight Loss
Semaglutide + B12 12.5mg
The long-block ready-to-use vial. Roughly a full quarter of maintenance dosing in a single shipment.
from$258
Weight Loss
MOTS-C 10mg
A mitochondrial-derived peptide involved in metabolic signalling and insulin sensitivity. Commonly stacked with a GLP-1 rather than run alone.
$142
Longevity & Anti-Aging
NAD+ 100mg
Lyophilised nicotinamide adenine dinucleotide. The entry point for cellular-energy work and the compound most people start longevity with.
from$170
Longevity & Anti-Aging
NAD+ 500mg
The high-capacity lyophilised NAD+ vial. Five times the milligrams of the 100 mg for a fraction more.
from$170
Longevity & Anti-Aging
NAD+ Injection 1000mg
Ready-to-use NAD+ solution at 200 mg/mL. No reconstitution, no bacteriostatic water, no measuring powder.
from$249
Longevity & Anti-Aging
NAD+ Injection 2000mg
The long-block ready-to-use NAD+ vial. Roughly a quarter of daily dosing without touching a powder.
from$249
Longevity & Anti-Aging
Glutathione 200mg/mL
The body's primary intracellular antioxidant, supplied ready to use at 200 mg/mL.
$169
Research Use Only. All products sold by MaxSpan Peptides are supplied strictly for in vitro laboratory research by qualified professionals aged 21 or older. They are not intended for human or animal consumption, clinical use, diagnostic use, veterinary application, or any therapeutic purpose. Statements made on this website have not been evaluated by the U.S. Food and Drug Administration. MaxSpan Peptides is a chemical supplier and is not a compounding pharmacy as defined under Section 503A of the Federal Food, Drug, and Cosmetic Act, nor an outsourcing facility as defined under Section 503B.