Comparing Crystal B-12 vs Methamphetamine
| Crystal B-12 (cyanocobalamin) | Methamphetamine |
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| Crystal B-12 (cyanocobalamin) | Methamphetamine |
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Prescription and OTC
Prescribed for Vitamin B12 Deficiency, Pernicious Anemia, Schilling Test, B12 Nutritional Deficiency. Crystal B-12 may also be used for purposes not listed in this medication guide. |
Prescription only
Prescribed for ADHD, Weight Loss (Obesity/Overweight). Methamphetamine may also be used for purposes not listed in this medication guide. |
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| More about (cyanocobalamin) | More about Methamphetamine | ||||||||
| Ratings & Reviews | |||||||||
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Be the first to share your experience with this drug. |
Methamphetamine has an average rating of 8.9 out of 10 from a total of 77 ratings on Drugs.com. 86% of reviewers reported a positive effect, while 6% reported a negative effect. |
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| Side Effects Experienced by Users Side effects are reported in Drugs.com user reviews and not clinically verified. | |||||||||
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View all Crystal B-12 side effects |
View all Methamphetamine side effects |
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| Drug Class | |||||||||
| Generic Availability | |||||||||
| Lower cost generic approved |
Lower cost generic |
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| Pricing and Coupons * Prices are without insurance | |||||||||
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We could not find an exact match for this medicine. Try searching the Price Guide directly. |
View all Methamphetamine prices |
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| Dosage Forms | |||||||||
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N/A |
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| Brand Names | |||||||||
| Other cyanocobalamin brands include: B-12, B-12 Resin, Dodex, Eligen B12, Nascobal, Twelve Resin-K, Vitamin B12 | Desoxyn, Desoxyn Gradumet | ||||||||
| Half Life Drug half-life is the time required for plasma concentration to reduce to half its original value. | |||||||||
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N/A |
5 hours |
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| CSA Schedule 1 View glossary of CSA terms | |||||||||
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Not a controlled drug
Is not subject to the Controlled Substances Act. |
High potential for abuse
Has a high potential for abuse. Has a currently accepted medical use in treatment in the United States or a currently accepted medical use with severe restrictions. Abuse may lead to severe psychological or physical dependence. |
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| Pregnancy Category | |||||||||
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Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
Category C
Risk cannot be ruled out
See the full pregnancy warnings document. |
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| Drug Interactions | |||||||||
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A total of 15 drugs are known to interact with Crystal B-12:
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A total of 249 drugs are known to interact with Methamphetamine:
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| Alcohol/Food/Lifestyle Interactions | |||||||||
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No known alcohol/food interactions. This does not necessarily mean no interactions exist. Always consult your healthcare provider. |
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| Disease Interactions | |||||||||
| First Approval Date | |||||||||
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N/A |
December 31, 1943 |
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| WADA Class View classifications | |||||||||
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N/A |
N/A |
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| More Information | |||||||||
| Patient Resources | |||||||||
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N/A |
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| Professional Resources | |||||||||
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N/A |
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| Related Treatment Guide | |||||||||
1 The Controlled Substances Act (CSA) schedule information displayed applies to substances regulated under federal law. There may be variations in CSA schedules between individual states.
See also:
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.