Dinandrol
Active Substance: Dinandrol
Description
What is Dinandrol?
Dinandrol is not a specific drug but a combination of anabolic steroids. One source indicates it is a blend of nandrolone decanoate and nandrolone phenylpropionate. This makes it a mixture of two forms of the same base steroid, nandrolone, but with different ester chains that affect their half-life and release time in the body.
Nandrolone is a synthetic version of the male hormone testosterone, modified to enhance its anabolic (muscle-building) properties while reducing its androgenic (masculinizing) effects.
Side Effects and Benefits
The effects of Dinandrol would be a combination of the effects of nandrolone, which is a well-studied anabolic steroid.
Potential Benefits (as reported in a performance-enhancing context):
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Increased Muscle Mass and Strength: Nandrolone is known for its ability to promote anabolism, leading to muscle growth and increased strength.
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Improved Recovery: It can help with muscle recovery after intense workouts.
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Increased Bone Density: It can promote bone mineralization and increase bone density.
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Joint Pain Relief: Nandrolone is often used to alleviate joint pain due to its ability to promote collagen synthesis.
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Increased Red Blood Cell Production: It can stimulate the production of red blood cells, which can improve endurance and oxygen delivery to muscles.
Serious Side Effects:
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Cardiovascular Issues: Can lead to increased blood pressure, changes in cholesterol levels (lowering HDL, or "good" cholesterol, and raising LDL, or "bad" cholesterol), and an increased risk of heart disease, stroke, and heart attack.
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Hormonal Imbalances:
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Testosterone Suppression: Like many anabolic steroids, it can suppress the body's natural testosterone production, leading to testicular atrophy, low libido, erectile dysfunction, and temporary infertility.
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Gynecomastia: The conversion of nandrolone to estrogen can cause breast tissue development in males.
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Virilization (in women): This includes irreversible side effects like deepening of the voice, male-pattern baldness, excessive body hair growth, and clitoral enlargement.
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Psychological Effects: Can cause mood swings, aggression ("roid rage"), anxiety, and depression.
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Liver and Kidney Damage: While injectable nandrolone is generally considered less liver-toxic than oral steroids, its use can still cause liver damage, especially with long-term abuse.
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Other Side Effects: Acne, hair loss, fluid retention, and muscle cramps.
Pros and Cons
This is a very subjective and dangerous way to look at a substance with significant health risks. However, in the context of performance enhancement, the "pros" are the benefits listed above, and the "cons" are the severe and potentially irreversible side effects.
Dosage and Frequency
Information on "Dinandrol" is limited and often anecdotal due to its nature as a blended substance. One source mentions a dosage of 200-600 mg per week. However, this is not a medically prescribed amount and falls into the category of misuse. The frequency would depend on the specific esters in the mixture, but given that both nandrolone decanoate and phenylpropionate are long-acting, injections would likely be spaced out, perhaps once or twice a week.
Note: This information is not a guide for use and should not be followed. The appropriate and safe dosage for any medication is determined by a qualified healthcare professional.
Half-Life and Detection Time
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Half-Life: Nandrolone decanoate has a long half-life of around 6 days. Nandrolone phenylpropionate has a much shorter half-life. The half-life of a Dinandrol blend would be a composite of these two, with a sustained release over a longer period.
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Detection Time: Nandrolone is notorious for its long detection time in drug tests. Due to its unique metabolic pathway, it can be detected in urine for an extended period. The detection time for nandrolone decanoate can be up to 18 months, and the presence of any nandrolone ester will lead to a positive test for an extended time.
Sterogenic, Progestogenic, and Prolactin Effects
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Sterogenic: Nandrolone is a steroid that interacts with androgen receptors to produce its effects. It is a synthetic derivative of testosterone.
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Progestogenic: Nandrolone has strong progestogenic activity. This means it can bind to progesterone receptors in the body, which can contribute to side effects like gynecomastia, especially when combined with high estrogen levels.
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Prolactin: Progestogenic activity is also linked to increased prolactin levels, which can lead to side effects like lactation (in both men and women) and further exacerbate gynecomastia.
Anabolic-Androgenic Ratio
The anabolic-androgenic ratio is a way to compare the anabolic (muscle-building) and androgenic (masculinizing) effects of a steroid relative to testosterone.
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Testosterone's Ratio: Testosterone is used as the baseline with a ratio of 1:1.
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Nandrolone's Ratio: Nandrolone is known for its favorable ratio, meaning it is more anabolic than androgenic. Its ratio is typically cited as 10:1 or a range like 3:16 (anabolic:androgenic). This means it is significantly more effective at building muscle than it is at causing masculinizing side effects, though these effects are still a major risk.
Pharmacological Properties
Half Life
10 days
Active Dose
60%
Detection
7.14 weeks
Concentration
250 mg/ml
Anabolic/Androgenic Profile
Usage Effectiveness
Activity Profile
Estrogenic
None
Progestanic
None
Water Retention
None
Aromatization
No
Benefits
Dosage Recommendations
Beginner
200-400 mg/week
Intermediate
400-600 mg/week
Advanced
600-800 mg/week
Evidence-based planning resources
Dive deeper into Dinandrol cycle design, stacking options, and harm-reduction checklists available inside Anabolic Planner.
- Dinandrol compound database overviewCompare Dinandrol with other steroid agents in the structured compound index.
- Dinandrol stack and cycle templatesReview evidence-based cycle outlines, dose progressions, and PCT pairings that incorporate Dinandrol.
- Harm-reduction guide for DinandrolRefresh safety monitoring, lab work, and countermeasure strategies tailored for Dinandrol protocols.
Peer-reviewed reference material
Validate mechanisms, contraindications, and regulatory guidance for Dinandrol with trusted clinical databases.
- Dinandrol clinical research on PubMedSearch peer-reviewed human and veterinary studies discussing efficacy, endocrine impact, and contraindications.
- Dinandrol pharmacology via Drug Information PortalReview mechanisms, synonyms, regulatory status, and toxicology summaries from the U.S. National Library of Medicine.
Side Effects
Common
Severe
Safety Information
Liver Toxicity
None
Kidney Toxicity
Low
Cardiovascular Risk
Moderate
Disclaimer: This information is for educational purposes only. Always consult with a qualified healthcare professional before using any compounds.