Interactions on record — worth a quick check against your medications. Based on 3 of 4 ingredients. Check your meds →
Dietary supplement

Stars 'N Pipes Freedom Ingredients & Drug Interactions

by 'Merica Labz

Powder Category: Other Combinations
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Stars 'N Pipes Freedom is a dietary supplement by 'Merica Labz with 4 active ingredients. Its ingredients are commonly taken for exercise performance, muscle soreness and fatigue, blood flow and circulation.Based on those ingredients, 500 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Pine Bark Extract, L-Citrulline. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Stars 'N Pipes Freedom by 'Merica Labz

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 4 of its 4 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

Stars 'N Pipes Freedom has 4 active ingredients. L-citrulline is an amino acid your body converts to nitric oxide, a molecule that relaxes blood vessel walls and improves blood flow.

Pine Bark Extract, Nitrosigine, and HydroPrime (a glycerol-based ingredient) are included to support circulation and athletic performance. The powder also contains inactive ingredients — silicon dioxide, natural and artificial flavors, citric acid, sucralose, and acesulfame potassium — which are fillers, flavorings, and sweeteners.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: enhance athletic performance and workout capacity.
  • We looked for evidence on: Athletic performance, Muscle strength, Exercise endurance, Muscle power, Workout intensity.
  • The strongest evidence on file: Glycerol is rated "Possibly Effective" for Athletic performance (Natural Medicines).
  • Also on file: L-citrulline is rated "Possibly Effective" for Athletic performance.
  • Also on file: Maritime Pine is rated "Insufficient Reliable Evidence To Rate" for Athletic performance.

L-citrulline has possibly effective evidence for athletic performance. The data on its effectiveness for heart disease and heart failure is not established enough to rate.

For other conditions the product may target, the evidence is either insufficient or leans toward ineffective. HydroPrime (glycerol) has possibly effective evidence for athletic performance as well, though it's mainly known as likely effective for constipation.

We don't have effectiveness ratings on file for Pine Bark Extract or Nitrosigine.

The evidence, ingredient by ingredient L-citrulline Maritime Pine Glycerol

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 3 of the 3 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 3 of 3.
  • General safety write-ups exist for 3 of 3.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

L-citrulline is generally well tolerated in healthy adults, but long-term safety hasn't been fully studied. The most common side effects are gastrointestinal discomfort and heartburn.

A small number of people reported cough when taking it. HydroPrime (glycerol) is generally well tolerated in normal amounts, but large doses can cause stomach upset, bloating, diarrhea, nausea, vomiting, dizziness, headache, and thirst.

Don't take medicinal amounts without talking to your doctor first. L-citrulline is not recommended during pregnancy or while breastfeeding due to insufficient safety data.

There isn't enough data on glycerol in these situations either — talk with your doctor or pharmacist for personalized advice.

Side effects, ingredient by ingredient L-citrulline Maritime Pine Glycerol

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 2 of the 3 matched ingredients can interact with medications — Maritime Pine, L-citrulline.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; immunosuppressants / transplant drugs; diabetes medications.
  • For scale: 500 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Double-check your blood pressure medications (Moderate severity) and erectile dysfunction drugs like sildenafil or tadalafil (Moderate severity) with your pharmacist before using this product. We couldn't check Pine Bark Extract or Nitrosigine for interactions, so mention those to your pharmacist too.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

This product is aimed at people looking to support blood flow and athletic performance. If you take blood pressure medication or erectile dysfunction pills, check with your pharmacist before starting — the L-citrulline could amplify their effects.

If you're pregnant, breastfeeding, or have stomach sensitivity, talk to your doctor first.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 3 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Aug 22, 2024.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Stars 'N Pipes Freedom, straight from the product label.

Brand 'Merica Labz
Barcode (UPC) 658580070533
Net contents 12.7 Ounce(s); 360 Gram(s)
Market status On market
Date entered into DSLD Aug 22, 2024
DSLD ID 316619
Product type Other Combinations
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating)
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Stars 'N Pipes Freedom by 'Merica Labz, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
18 Gram(s)
Maximum serving Sizes:
18 Gram(s)
Servings per container
20
UPC/BARCODE
658580070533
IngredientAmount% DV
L-Citrulline6000 mg--
Pine Bark Extract250 mg--
Nitrosigine1500 mg--
HydroPrime5000 mg--

Other ingredients: Silicon Dioxide, Natural & Artificial Flavors, Citric Acid, Sucralose, Acesulfame Potassium

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Brand IP Statement(s)

Merica Labz Never Big Enough

HydroPrime HydroPrime TM is a trademark of NNB Nutrition

Nitrosigine The Nitrosigine name and logo are registered trademarks of Nutrition 21, LLC. Nitrosigine is patent protected.

General Statements

Few things scream 'Merica - or freedom - like crushing a workout while wearing a pair of American flag sweatpants and a bald eagle bandana. Considering that's your everyday workout attire, that essentially makes you a freedom fighter, son. And freedom fighters can't contribute to the fight for freedom with a couple of puny small arms - they need the KABOOM! Big munitions. Well, freedom fighter, meet your best weapon in the fight against skinny arms: Stars 'N Pipes, a stim-free explosive pump agent fit for a real 'Merican hero. Stars 'N Pipes is like mixing a couple hundred lbs of TNT with Bruce Willis from Die Hrd, throwing some fruit in there, and putting it all in a powder. Yeah...it's that good.

Precautions

Warning: Consuming this product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov

Warning: This product is only intended for use in healthy adults 18 years of age or older.

Pregnant or nursing women should not use this product. Consult your healthcare provider before using this product, especially if you are taking any prescription, over the counter medication, dietary supplement product, or if you have any pre-existing medical condition including but not limited to: high or low blood pressure, cardiac arrhythmia, stroke, heart, liver, kidney or thyroid disease, seizure disorder, psychiatric disease, diabetes, difficulty urinating due to prostate enlargement or if you are taking a MAOI (Monoamine Oxidase Inhibitor) or any other medication.

Immediately discontinue use and consult your health care professional if you experience adverse reaction to this product. Do not exceed recommended serving. Do not use if safety seal is broken or missing.

Keep out of reach of children.

Suggested/Recommended/Usage/Directions

Directions: Mix 1 scoop with 10-16 ounces of water and consume approximately 15-30 minutes prior to your workout.

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Formulation

High Explosive Pump Agent Naturally & Artificially Flavored

Manufactured in a U.S. cGMP Facility

FDA Statement of Identity

Dietary Supplement

See for yourself

Stars 'N Pipes Freedom by 'Merica Labz label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Stars 'N Pipes Freedom by 'Merica Labz

These are the 4 active ingredients this product is made of. Select any to open its full monograph.

Serving size18 Gram(s) Dosage formPowder Servings per container20 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

L-Citrulline

Interacts with
178 drugs
6000 mg per serving

L-citrulline is an amino acid that the body turns into L-arginine to help make nitric oxide, which relaxes blood vessels and may improve blood flow. I...

L-Citrulline monograph & interactions

Pine Bark Extract

Interacts with
327 drugs
250 mg per serving Form: Proanthocyandins

Maritime pine bark extract (often sold as Pycnogenol) is a plant-based antioxidant most studied for circulation, vein, and skin health. Some research...

Pine Bark Extract monograph & interactions

Nitrosigine

1500 mg per serving Form: Inositol Arginine Silicate

HydroPrime

No known
interactions
5000 mg per serving Form: Glycerol, Powder

Glycerol (glycerin) is a sweet, syrupy compound made naturally in the body and widely used in foods, skin products, and medicines. It is well establis...

HydroPrime monograph & interactions

Other (inactive) ingredients: Silicon Dioxide, Natural & Artificial Flavors, Citric Acid, Sucralose, Acesulfame Potassium. These complete the product’s ingredient list but are not active constituents.

Interaction report

Stars 'N Pipes Freedom by 'Merica Labz Drug Interactions

Want to check YOUR meds against Stars 'N Pipes Freedom?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

Go to the checker
500Drugs
500 Moderate

Ingredients driving the most interactions

Each ingredient & the kinds of drugs it affects

For each ingredient in Stars 'N Pipes Freedom with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Pine Bark Extract3 drug types · 327 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, maritime pine bark extract might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
Clinical research suggests that maritime pine bark extract inhibits platelet aggregation. However, the clinical significance of this effect is unclear.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, maritime pine bark extract might increase the risk of hypoglycemia when used with antidiabetes drugs.
One clinical study shows that maritime pine bark extract decreases blood sugar in patients with diabetes being treated with antidiabetes agents. Monitor blood glucose levels closely. Dose adjustments might be necessary.

Likelihood Possible Evidence B
Immunosuppressants

Theoretically, maritime pine bark extract might decrease the effectiveness of immunosuppressant therapy.
In vitro and animal research suggests that maritime pine bark extract has immunostimulant activity. This effect has not been reported in humans.

Likelihood Possible Evidence D

L-Citrulline2 drug types · 178 drugs

Antihypertensive Drugs

Theoretically, concomitant use of L-citrulline with antihypertensive drugs might have additive effects and increase the chance of hypotension.
L-citrulline is converted to L-arginine, which can increase nitric oxide and cause vasodilation. However, a meta-analysis of 5 small clinical studies suggests that taking L-citrulline 3-6 grams daily for 1-8 weeks does not lower blood pressure when compared with control.

Likelihood Possible Evidence B
Phosphodiesterase-5 Inhibitors

Theoretically, concurrent use of phosphodiesterase-5 (PDE-5) inhibitors and L-citrulline might result in additive vasodilation.
L-citrulline is converted to L-arginine, which can increase nitric oxide and cause vasodilation. Theoretically, taking L-arginine with PDE-5 inhibitors might have additive vasodilatory and hypotensive effects. However, in studies evaluating the combined use of L-arginine and sildenafil for erectile dysfunction, hypotension was not reported.

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for Stars 'N Pipes Freedom, from the product label.

'Merica Labz

Name
'Merica Labz, LLC.
City
Statesville
State
NC
ZipCode
28625
Phone Number
844-445-5335
Web Address
www.MericaLabz.com
Pharmacist Counseling Corner

Stars 'N Pipes Freedom by 'Merica Labz: Common Questions

Does Stars 'N Pipes Freedom by 'Merica Labz interact with any medications?
Yes. Based on its ingredients, Stars 'N Pipes Freedom has a known interaction with 500 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Stars 'N Pipes Freedom contains 4 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this if I'm on blood pressure medication?
Not without checking first. L-citrulline lowers blood pressure, so combining it with your medication could drop it too low. Talk to your pharmacist — they can review your specific drugs and dose.
What are the most common side effects?
L-citrulline most often causes gastrointestinal discomfort and heartburn. The glycerol in HydroPrime can cause bloating, diarrhea, nausea, and dizziness, especially in larger amounts. Most people tolerate it fine.
Is this safe during pregnancy?
No. There isn't enough safety data for L-citrulline in pregnancy, so it's best to avoid it. Talk to your doctor before using this product if you're pregnant or planning to be.
Is this safe while breastfeeding?
Safety while breastfeeding is unknown for both L-citrulline and the glycerol ingredient, so avoid supplemental use. Talk to your doctor or pharmacist if you want personalized advice.
Does this actually help with athletic performance?
L-citrulline and the glycerol ingredient both have possibly effective evidence for athletic performance, meaning the data suggests promise but isn't definitive. Results vary by person.
Can I take this if I use erectile dysfunction medication?
Not without checking first. L-citrulline can have additive effects with those drugs and might drop your blood pressure dangerously. Your pharmacist can review your specific medication.

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

Not sure if Stars 'N Pipes Freedom is safe with your meds?

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Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Stars 'N Pipes Freedom label
Sources

Sources & How We Checked

Stars 'N Pipes Freedom's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 30 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

L-citrulline 8 references
  1. Cheng JW, Balwin SN. L-arginine in the management of cardiovascular diseases. Ann Pharmacother 2001;35:755-64. PubMed
  2. Schwedhelm E, Maas R, Freese R, et al. Pharmacokinetic and pharmacodynamic properties of oral L-citrulline and L-arginine: impact on nitric oxide metabolism. Br J Clin Pharmacol 2008;65:51-9. PubMed
  3. Romero MJ, Platt DH, Caldwell RB, Caldwell RW. Therapeutic use of citrulline in cardiovascular disease. Cardiovasc Drug Rev 2006;24:275-90. PubMed
  4. Balderas-Munoz K, Castillo-Martínez L, Orea-Tejeda A, et al. Improvement of ventricular function in systolic heart failure patients with oral L-citrulline supplementation. Cardiol J 2012;19:612-7. PubMed
  5. Sharif Kashani B, Tahmaseb Pour P, Malekmohammad M, et al. Oral l-citrulline malate in patients with idiopathic pulmonary arterial hypertension and Eisenmenger Syndrome: a clinical trial. J Cardiol 2014;64:231-5. PubMed
  6. Pérez-Guisado J, Jakeman PM. Citrulline malate enhances athletic anaerobic performance and relieves muscle soreness. J Strength Cond Res 2010;24:1215-22. PubMed
  7. Mirenayat MS, Moradi S, Mohammadi H, Rouhani MH. Effect of L-citrulline supplementation on blood pressure: a systematic review and meta-analysis of clinical trials. Curr Hypertens Rep. 2018;20(11):98. PubMed
  8. Xu Z, Liu C, Liu S, Zhou Z. Comparison of efficacy and safety of daily oral L-arginine and PDE5Is alone or combination in treating erectile dysfunction: A systematic review and meta-analysis of randomised controlled trials. Andrologia. 2021:e14007. PubMed

See these in context on the L-citrulline monograph →

Maritime Pine 14 references
  1. Rice-Evans CA, Packer L, eds. Flavonoids in Health and Disease. Manhattan, NY: Marcel Dekker, Inc., 1998.
  2. Liu FJ, Zhang YX, Lau BH. Pycnogenol enhances immune and haemopoietic functions in senescence-accelerated mice. Cell Mol Life Sci 1998;54:1168-72. PubMed
  3. Putter M, Grotemeyer KH, Wurthwein G, et al. Inhibition of smoking-induced platelet aggregation by aspirin and pycnogenol. Thromb Res 1999;95:155-61. PubMed
  4. Kohama T, Inoue M. Pycnogenol alleviates pain associated with pregnancy. Phytother Res 2006;20:232-4.
  5. Liu X, Zhou HJ, Rohdewald P. French maritime pine bark extract pycnogenol dose-dependently lowers glucose in type 2 diabetic patients (letter). Diabetes Care 2004;27:839. PubMed
  6. Liu X, Wei J, Tan F, et al. Antidiabetic effect of Pycnogenol French maritime pine bark extract in patients with diabetes type II. Life Sci 2004;75:2505-13. PubMed
  7. Wilson D, Evans M, Guthrie N et al. A randomized, double-blind, placebo-controlled exploratory study to evaluate the potential of pycnogenol for improving allergic rhinitis symptoms. Phytother Res 2010;24:1115-9.
  8. Araghi-Niknam, M., Hosseini, S., Larson, D., Rohdewald, P., and Watson, R. R. Pine bark extract reduces platelet aggregation. Integr.Med. 3-21-2000;2(2):73-77. PubMed
  9. Trebaticka, J., Kopasova, S., Hradecna, Z., Cinovsky, K., Skodacek, I., Suba, J., Muchova, J., Zitnanova, I., Waczulikova, I., Rohdewald, P., and Durackova, Z. Treatment of ADHD with French maritime pine bark extract, Pycnogenol. Eur.Child Adolesc.Psychi PubMed
  10. Suzuki, N., Uebaba, K., Kohama, T., Moniwa, N., Kanayama, N., and Koike, K. French maritime pine bark extract significantly lowers the requirement for analgesic medication in dysmenorrhea: a multicenter, randomized, double-blind, placebo-controlled study
  11. Cisar, P., Jany, R., Waczulikova, I., Sumegova, K., Muchova, J., Vojtassak, J., Durackova, Z., Lisy, M., and Rohdewald, P. Effect of pine bark extract (Pycnogenol) on symptoms of knee osteoarthritis. Phytother.Res. 2008;22(8):1087-1092.
  12. Enseleit, F., Sudano, I., Periat, D., Winnik, S., Wolfrum, M., Flammer, A. J., Frohlich, G. M., Kaiser, P., Hirt, A., Haile, S. R., Krasniqi, N., Matter, C. M., Uhlenhut, K., Hogger, P., Neidhart, M., Luscher, T. F., Ruschitzka, F., and Noll, G. Effects
  13. Schoonees, A., Visser, J., Musekiwa, A., and Volmink, J. Pycnogenol(R) (extract of French maritime pine bark) for the treatment of chronic disorders. Cochrane.Database.Syst.Rev. 2012;4:CD008294.
  14. Wang S, Tan D Zhao Y et al. The effect of pycnogenol on the microcirculation, platelet function and ischemic myocardium in patients with coronary artery diseases. Eur Bull Drug Res 1999;7:19-25.

See these in context on the Maritime Pine monograph →

Glycerol 8 references
  1. McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
  2. Wagner DR. Hyperhydrating with glycerol: implications for athletic performance. J Am Diet Assoc 1999;99:207-12. PubMed
  3. Yu YL, Kumana CR, Lauder IJ, et al. Treatment of acute cortical infarct with intravenous glycerol. A double-blind, placebo-controlled randomized trial. Stroke 1993;24:1119-24. PubMed
  4. Frei A, Cottier C, Wunderlich P, Ludin E. Glycerol and dextran combined in the therapy of acute stroke. A placebo-controlled, double-blind trial with a planned interim analysis. Stroke 1987;18:373-9. PubMed
  5. Balaskas E, Szepietowski JC, Bessis D, Ioannides D, Ponticelli C, Ghienne C, Taberly A, Dupuy P. Randomized, double-blind study with glycerol and paraffin in uremic xerosis. Clin J Am Soc Nephrol. 2011 Apr;6(4):748-52. PubMed
  6. Blanchet-Bardon C, Tadini G, Machado Matos M, Delarue A. Association of glycerol and paraffin in the treatment of ichthyosis in children: an international, multicentric, randomized, controlled, double-blind study. J Eur Acad Dermatol Venereol. 2012 Aug;26 PubMed
  7. Kajita N, Kanamori K, Yamamoto S, Yoshida K. Generalized Urticaria Caused by a Glycerin Enema in an Infant. J Investig Allergol Clin Immunol 2022;32(4):318-319. PubMed
  8. Suzuki R, Fukuyama K, Miyazaki Y, Namiki T. Contact urticaria syndrome and protein contact dermatitis caused by glycerin enema. JAAD Case Reports. 2016;2:108-10. PubMed

See these in context on the Glycerol monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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