Drug & supplement interaction

Stenabolic + Methylphenidate

Methylphenidate brand names: Ritalin, Ritalin-SR, Concerta, Methylin, Metadate, and others.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 27, 2026
The bottom line No known interaction

We found no known interaction between Stenabolic and Methylphenidate in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

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Interaction report

Stenabolic and Methylphenidate

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Methylphenidate and Stenabolic in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

Worth understanding: our licensed dataset holds no drug-interaction record for Stenabolic at all — not against Methylphenidate, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Stenabolic safety at a glance

Stenabolic overall Avoid Stenabolic is an untested research chemical with no human safety data and is not legal to sell as a supplement.
Pregnancy Possibly Unsafe When used orally or parenterally. Some metabolic modulators have been found to cause cancer in animals. Their safety in humans has not been tested. Avoid using. Read the full pregnancy detail
Breastfeeding Possibly Unsafe When used orally or parenterally. Some metabolic modulators have been found to cause cancer in animals. Their safety in humans has not been tested. Avoid using. Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Methylphenidate and Stenabolic? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Methylphenidate’s Own FDA Label Lists

This is not an interaction — none of it involves Stenabolic. These are the most notable effects listed in the ADVERSE REACTIONS section of Methylphenidate’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you take both. 10 of them are worth acting on rather than waiting out — marked below.

  • Mania or an unusually elevated mood Worth acting on
  • Serotonin syndrome Worth acting on
  • Severe muscle breakdown Worth acting on
  • A slow heartbeat Worth acting on
  • Hallucinations Worth acting on
  • Yellowing of the skin or eyes Worth acting on
  • An irregular heartbeat Worth acting on
  • Low mood Worth acting on mentioned in 3.3% of FDA reports for Methylphenidate
  • Confusion Worth acting on
  • Seizures Worth acting on

Showing the 10 most notable of 56 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Methylphenidate. Read the label on DailyMed › Where a percentage is shown, it is the share of 73,541 voluntary FDA FAERS reports for Methylphenidate that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Stenabolic’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Stenabolic side to compare — that is a limit of the record, not a statement that Stenabolic has no side effects.

Special populations

Stenabolic in Pregnancy & Breastfeeding

Pregnancy And Lactation Possibly Unsafe

When used orally or parenterally. Some metabolic modulators have been found to cause cancer in animals. Their safety in humans has not been tested. Avoid using.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center

From our Q&A

Questions About Stenabolic or Methylphenidate

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Stenabolic or Methylphenidate, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Methylphenidate

This page covers Stenabolic only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Methylphenidate page lists 85 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Ephedra (major), Lithium (major), Peyote (major) and Rauvolfia Vomitoria (major).

By severity: 6 major · 64 moderate · 15 minor.

From our pharmacist’s overview on the Methylphenidate page

“Methylphenidate (Ritalin, Concerta, Metadate) is itself a stimulant, and that one fact shapes most of this list. The largest cluster of interacting supplements adds a second stimulant on top of it, from ephedra and its relatives to everyday caffeine sources like coffee and green tea, which can push heart rate and blood pressure higher…”

Reviewed by 2 · Jul 18, 2026

Open the Methylphenidate interaction page

One more smart check

Taking Stenabolic as Part of a Dietary Supplement Product? Check It for Interactions

We hold 8 real supplement products containing Stenabolic, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Stenabolic. Even though Stenabolic itself has no known interaction with Methylphenidate, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Stenabolic and Methylphenidate Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Stenabolic
Steady interest

#1,237 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Methylphenidate
Top 10

#5 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Stenabolic reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Stenabolic and Methylphenidate records this page draws on were last updated June 22, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Supplement

About Stenabolic

What is Stenabolic?

  • Endurance and stamina
  • Fat loss
  • Bodybuilding and athletic performance
  • Boosting metabolism

Stenabolic (also called SR9009) is an experimental research chemical, not a true dietary supplement, herb, or approved drug. It is sold online for fat loss and endurance, but it has never been tested for safety or effectiveness in humans, and it is banned in sports. Because the risks are unknown and product quality is unreliable, we do not recommend using it.

Synthetic compound (not from a plant) · Capsules, liquid solutions, powders

An interaction check asks whether these two react with each other — it does not ask whether Stenabolic is a good idea for someone in your situation. Here is what our Stenabolic record says about it on its own.

Stenabolic: dosing

There is no established or approved dose for Stenabolic because it has never been tested in proper human studies. Doses suggested on websites and forums are not based on safety research.We cannot recommend a dose. Given the lack of safety data, the risk of contaminated products, and its banned status in sports, the safest choice is not to use it at all.

From our Stenabolic monograph — the full record covers uses, side effects and every documented interaction.

Read the full Stenabolic monograph & all interactions
Medication

About Methylphenidate

What Is Methylphenidate Used For?

Brand names: Ritalin, Ritalin-SR, Concerta, Methylin, Metadate, Metadate CD, Methylin ER, Ritalin LA, Aptensio XR, Quillivant Xr, Cotempla XR-ODT, Jornay PM, Relexxii

Methylphenidate treats ADHD across many oral and patch products. Age ranges differ by product. Some are approved for children 6 and older, some for children and teens, and some also for adults up to age 65.

Some immediate-release and certain extended-release methylphenidate tablets are also used for narcolepsy (a sleep disorder with sudden, overwhelming sleepiness). Methylphenidate oral solution and chewable tablets are described for attention deficit disorders in children, as part of a total treatment program that includes psychological, educational and social support. Not every product is approved for every use or age group.

See full Methylphenidate drug information
Keep checking

Other Drugs & Stenabolic

Browse every other medication we’ve checked against Stenabolic — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
0Moderate
0Minor
2,829No known interaction
2,829 No interaction
No interaction 2,829 drugs checked — show the list

We also checked Stenabolic against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Stenabolic list.

See the full Stenabolic interactions page
See every supplement checked against Methylphenidate, ranked by severity
Evidence & sources

Stenabolic References

The 1 references that drive our Stenabolic monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. What Should Tested Athletes Know About GW1516? Education, Spirit of Sport. U.S. Anti-Doping Agency (USADA). September 24, 2019. Available at: https://www.usada.org/spirit-of-sport/education/what-should-athletes-know-gw1516/

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Stenabolic and Methylphenidate Together: Common Questions

Is it safe to take Stenabolic with Methylphenidate?
We do not list a known interaction between Stenabolic and Methylphenidate. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Does Methylphenidate interact with any supplements?
Yes. Methylphenidate has documented interactions with 85 supplements in our database — Stenabolic is not one of them. The Methylphenidate interaction page linked on this page lists every one, ranked by severity.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Where next

Keep Exploring

Stenabolic monograph Uses, safety profile, and every drug interaction in one place Methylphenidate drug information The full plain-English guide to this medication Methylphenidate supplement interactions Every supplement checked against Methylphenidate, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 1 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Methylphenidate and Stenabolic?

Our pharmacists answer your medication & supplement questions — free.

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.