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We include proper storage instructions on each product listing and on the labels of the products themselves.
We can provide an MSDS for each product upon request. However, it is generally assumed that you are trained in hazard risks and safety procedures. If you are not, it is advisable not to purchase our products and to refer to OSHA guidelines on hazard safety. Additionally, we list most of our products’ LCSS on their respective product pages. Please consult the Terms of Use for more information on the intended audience for our products.
Every molecule has its own unique decomposition process, but generally, all molecules are thermodynamically unstable over time. The second law of thermodynamics states that entropy is always increasing, which means that molecules in our products gradually degrade, leading to a measurable decrease in potency over the years with proper handling and storage. Temperature changes can affect the rate of degradation.
Common Scenarios:
- Low Temperatures: If a product is exposed to temperatures lower than recommended, there will be no increase in the rate of degradation. However, solution products may precipitate, resulting in a loss of uniformity.
- High Temperatures: Exposure to higher than recommended temperatures will accelerate degradation. For example, if a product meant for room temperature storage is exposed to 115°F, the rate of decomposition may increase, but this may not be measurable without extended exposure. A few days in heat typically won’t significantly affect shelf life if the product is properly stored afterward.
- Cold Storage: For products requiring cold storage (e.g., deep freezer at –20°C), the risk of degradation from high temperature exposure depends on the degree and duration of exposure, as well as the presence of oxygen, moisture, and sunlight. These factors can create free radicals that break chemical bonds and accelerate degradation. Nonetheless, less than 24 hours at human-tolerable temperatures is unlikely to cause substantial degradation for any of our products.
Solution products can sometimes crystallize (develop flakes), precipitate (fall out of suspension), separate (form layers), or lose their uniformity due to various factors. The most common reason is temporary exposure to low temperatures, such as during shipping in cold weather or accidental refrigeration and freezing. This can also happen if a product is dissolved in a nonpolar solvent and left undisturbed on a shelf for a long time.
If you encounter any of these issues, you can fix them by running the bottle under warm water (50-70°C) for 5-10 minutes, then shaking it vigorously to re-suspend and re-dissolve the solution.
Our peptides are provided in lyophilized powder form to ensure stability and prevent rapid degradation. The optimal storage temperature is below -20°C, but refrigeration at 4°C is sufficient for up to 2 years. These peptides can withstand room temperature for 4-6 weeks without significant degradation if kept away from direct sunlight, maintaining their integrity during transit. They are packaged in glass vials with crimp tops and colored flip-off caps.
The integrity and potency of the peptide remain unaffected regardless of its physical appearance after lyophilization, whether it appears as a perfect cake or shows other alterations. Variations in appearance, including size differences due to necessary buffering in larger proteins, are normal and do not compromise the quality of the product.
Variations in color, texture, odor, taste, and even biochemical and pharmacokinetic properties can be attributed to differences in polymorphy, which refers to the crystal structure of a substance. For instance, sand and glass are composed of the same molecule (SiO2) but exhibit very different properties.
Several factors influence polymorphy, including the rate of temperature change, pressure, and reactants during synthesis. The study of polymorphy is an important field within chemistry, impacting areas such as materials science and medicine.
If you notice slight differences between batches of products, polymorphy is most likely the cause.