Vitamin B12/ 99% purity/ 10ml B12

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     Vitamin B12 must be stored in light-resistant, airtight conditions. Because it is highly sensitive to light, heat, and oxygen, it is recommended to store it in a cool, dry place or refrigerate it (2-10°C). Freezing or direct sunlight exposure is strictly prohibited.

Core Storage Requirements

• Strict Light Protection: The Vitamin B12 molecule is extremely sensitive to light, and exposure will accelerate its degradation and render it ineffective. Unused ampoules usually come with light-blocking outer packaging and must be stored in an opaque container or in the dark. They must never be placed in direct sunlight, such as on a windowsill.
• Appropriate Temperature: Unopened liquid should be stored in a cool place (not exceeding 20°C) or in a refrigerator (2-10°C). Please note that refrigeration must never involve freezing, as freezing will cause the liquid to spoil.
• Airtight and Moisture-Proof: The packaging must remain tightly sealed to prevent oxygen or moisture in the air from entering the vial and compromising the drug's efficacy.

Important Observations Before Use

• Visual Inspection: A qualified Vitamin B12 should be a clear, pink to red liquid. If there is a significant change in color, cloudiness, or the presence of sediment, it indicates that the medication has deteriorated and must absolutely not be used.
• Use Immediately After Preparation: Once an ampoule is opened, the liquid must be used immediately. Any remaining liquid cannot be saved for future use.

1. How to make an order?

Send me message and let me know what you need with quantity, then i will calculate to you.

2. What's the lead time and shipping ways?

We will delivery to the package by UPS, FEDEX, DHL paket and YANWEN express to you after receive your payment, it would take 10-15 days. We will also track the logistics throughout the entire process and update the logistics information for buyers in real time.

3.  What's the payment methods?

We could accept pay through Alipay, USDT, BTC and TT.

4.Does the product have a test report?

Each batch of our products undergoes testing before leaving the factory, and a Certificate of Analysis (COA) report is issued.

5.Can customers customize their own labels?

Custom labeling services are available. Please contact us to discuss your specific requirements prior to placing an order.

6.What is the product's shelf life?

When unopened, our products have a shelf life of two years under both room temperature and frozen storage conditions. Therefore, you can rest assured that extended shipping times will not cause the product to expire or degrade.

          Our company is located in Zhejiang Province and is a Chinese enterprise specializing in the production of peptide products.We are not intermediaries or resellers; we are the original manufacturer. This allows us to offer you the most competitive pricing. Our motto is: to manufacture products with care and serve customers with dedication.We are dedicated to serving every visitor with heart. No matter where you come from, you will experience our premium VIP service. We guarantee that every customer receives only the finest products, backed by exceptional after-sales support, as we strive to ensure your complete satisfaction.

1.  * Ultra-High Purity Guaranteed
   Every batch is synthesized and purified to >99% purity, delivering the reliability and reproducibility your sensitive experiments demand.
2.  * Precision Dosing & Batch Consistency
   Peptides are accurately weighed and vacuum-sealed under sterile conditions. We enforce rigorous quality control to ensure unwavering consistency from batch to batch.
3.  * Endotoxin-Free & Sterile Assurance
   Produced in a certified cleanroom, our peptides are rigorously tested to be free of endotoxins, microbes, and impurities—safeguarding the integrity of your cell-based and in vivo studies.