Interactions on record — worth a quick check against your medications. Based on 5 of 7 ingredients. Check your meds →
Dietary supplement

HGH-R Isotropin 1500 mg Ingredients & Drug Interactions

by NewtonEverett

HGH-R Isotropin 1500 mg label
See full label image
Capsule Category: Other Combinations
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking HGH-R Isotropin 1500 mg against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

HGH-R Isotropin 1500 mg is a dietary supplement by NewtonEverett with 7 active ingredients. Its ingredients are commonly taken for muscle recovery and sports performance, gut health and 'leaky gut', recovery from severe illness or injury.Based on those ingredients, 454 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are L-Arginine, L-Glutamine, L-Glycine. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against HGH-R Isotropin 1500 mg by NewtonEverett

Ask about any prescription or over-the-counter medication and we check it for interactions with HGH-R Isotropin 1500 mg by NewtonEverett — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of HGH-R Isotropin 1500 mg by NewtonEverett

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

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Aug 6, 2026

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 7 of its 7 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

HGH-R Isotropin contains 7 active ingredients: amino acids L-glutamine, L-arginine, L-glycine, L-lysine, and L-ornithine; ornithine alpha keto glutarate; and colostrum. These are amino acids and proteins meant to support muscle recovery and athletic performance.

The capsule also contains inactive ingredients — cellulose, silica, magnesium stearate, rice flour, and a gelatin capsule shell — that serve as fillers and binders.

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: rejuvenation, weight loss, energy, immune support.
  • We looked for evidence on: Aging, Athletic performance, Exercise-induced muscle damage, Physical performance, Muscle strength, Wound healing — and 4 related terms.
  • The strongest evidence on file: Ornithine is rated "Possibly Effective" for Athletic performance (Natural Medicines).
  • Also on file: Glutamine is rated "Possibly Effective" for Postoperative recovery.
  • Also on file: Glutamine is rated "Possibly Ineffective" for Athletic performance.

The evidence for most of these ingredients is mixed or incomplete in our data. L-arginine, L-glutamine, L-glycine, L-lysine, and L-ornithine all show "Possibly Effective" ratings for athletic performance or specific conditions like cold sores or schizophrenia, but we hold no established effectiveness ratings for most of them applied to general athletic recovery or HGH support.

Colostrum's effectiveness cannot be assessed — we have no data on file. If you're considering this product for a specific health goal, talk it over with your doctor or pharmacist about what the evidence actually shows for your situation.

The evidence, ingredient by ingredient Glutamine L-arginine Glycine Lysine Ornithine

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 4 of the 5 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 5 of 5.
  • General safety write-ups exist for 5 of 5.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Most of these amino acids are generally well tolerated at typical doses, but important caveats exist. L-glutamine can cause belching, bloating, constipation, diarrhea, nausea, and headache; rare cases of dizziness and, in people with bipolar disorder, mania have been reported.

L-arginine may lower blood pressure and is best used only under medical supervision. L-glycine rarely causes mild sedation, insomnia, or GI upset.

L-lysine may cause stomach upset and diarrhea at higher doses. L-ornithine and ornithine alpha keto glutarate have limited long-term safety data.

Glutamine is rated Likely Safe in pregnancy and lactation; L-arginine is Possibly Safe in pregnancy but lactation data are incomplete; L-glycine, L-lysine, L-ornithine, and ornithine alpha keto glutarate lack enough data to recommend them during pregnancy or breastfeeding — talk with your doctor or pharmacist before use if you're pregnant or nursing.

Side effects, ingredient by ingredient Glutamine L-arginine Glycine Lysine Ornithine

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?
  • 4 of the 5 matched ingredients can interact with medications — Lysine, L-arginine, Glutamine, Glycine.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; seizure medications; diabetes medications.
  • For scale: 454 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.

Check with your doctor or pharmacist before taking this product if you use ACE inhibitors or other blood pressure medications, blood thinners or antiplatelet drugs, seizure medications (anticonvulsants), diabetes medications, potassium-sparing diuretics, sildenafil (Viagra), the antipsychotic clozapine, or 5-HT4 agonists used for GI motility. These are the drug types with documented interactions — Moderate severity for most, Minor for 5-HT4 agonists.

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 athletes and people seeking muscle support, but it carries documented interactions with blood pressure and seizure medications, blood thinners, diabetes drugs, and antipsychotics. If you take any prescription medication, check your exact drugs against the interaction tool on this page before starting.

Because long-term safety data are limited for most of these amino acids and the evidence for athletic benefit is incomplete, a conversation with your doctor or pharmacist is worth having before you begin.

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

Assessment coverage: 6 of 7 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Aug 25, 2015.

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 HGH-R Isotropin 1500 mg, straight from the product label.

Brand NewtonEverett
Barcode (UPC) 689076016261
Net contents 60 Capsule(s)
Market status On market
Date entered into DSLD Aug 25, 2015
DSLD ID 49931
Product type Other Combinations
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
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 HGH-R Isotropin 1500 mg by NewtonEverett, 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:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
30
UPC/BARCODE
689076016261
IngredientAmount% DV
L-Glutamine300 mg--
L-Arginine400 mg--
L-Glycine100 mg--
L-Lysine100 mg--
L-Ornithine300 mg--
Ornithine Alpha Keto Glutarate100 mg--
Colostrum200 mg--

Other ingredients: Cellulose, Silica, Magnesium Stearate, Rice Flour, Gelatin Capsule

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.
General Statements

REJUVENATION ~ DECREASE WEIGHT ~ INCREASE ENERGY & ENDURANCE ~ STRENGTHEN/REPAIR IMMUNE SYSTEM

Human growth Hormone (HGH) helps restore skin thickness, elasticity, smoothing out wrinkles and rejuvenating hair and nails. It promotes the burning of fat by making it available to the body as fuel while increasing muscle mass.

Made in USA

FDA Statement of Identity

DIETARY SUPPLEMENT

Suggested/Recommended/Usage/Directions

SUGGESTED USE: 1 to 2 capsules daily as a dietary supplement. For best results, take on an empty stomach at least 2 hours before or after eating and just before bedtime.

Formula

Contains Milk Ingredients

Precautions

Contains Milk Ingredients

CAUTION: Do not exceed recommended dose.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

WARNING: KEEP OUT OF REACH OF CHILDREN

DO NOT USE IF SAFETY SEAL IS DAMAGED OR MISSING.

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.

Brand IP Statement(s)

ISOTROPIN(R) HGH-R was carefully designed to provide safe and effective means of naturally elevating one's HGH and IGF-1 levels. ISOTROPIN(R) HGH-R provides precursor nutrients to help boost the body's natural HGH levels - a key to supporting the anti-aging process.

Seals/Symbols

newtoneverett(R)

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

HGH-R Isotropin 1500 mg by NewtonEverett label

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

HGH-R Isotropin 1500 mg label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in HGH-R Isotropin 1500 mg by NewtonEverett

These are the 7 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container30 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-Glutamine

Interacts with
50 drugs
300 mg per serving

Glutamine is the most abundant amino acid in the body and is usually made in your muscles. A prescription form is FDA-approved to help reduce sickle c...

L-Glutamine monograph & interactions

L-Arginine

Interacts with
403 drugs
400 mg per serving

L-arginine is an amino acid that the body uses to make nitric oxide, a substance that helps blood vessels relax and widen. It is popularly used for bl...

L-Arginine monograph & interactions

L-Glycine

Interacts with
1 drug
100 mg per serving

Glycine is a non-essential amino acid your body makes on its own and that also appears in protein-rich foods. It is most studied for improving sleep q...

L-Glycine monograph & interactions

L-Lysine

Interacts with
1 drug
100 mg per serving Form: L-Lysine Hydrochloride

Lysine is an essential amino acid your body cannot make on its own, so it must come from food or supplements. People most often take extra lysine to t...

L-Lysine monograph & interactions

L-Ornithine

No known
interactions
300 mg per serving Form: L-Ornithine Hydrochloride

Ornithine is a non-essential amino acid your body makes naturally as part of the urea cycle, which helps remove ammonia. It is sold as a supplement fo...

L-Ornithine monograph & interactions

Ornithine Alpha Keto Glutarate

No known
interactions
100 mg per serving

Ornithine is a non-essential amino acid your body makes naturally as part of the urea cycle, which helps remove ammonia. It is sold as a supplement fo...

Ornithine Alpha Keto Glutarate monograph & interactions

Colostrum

200 mg per serving Form: Bovine

Other (inactive) ingredients: Cellulose, Silica, Magnesium Stearate, Rice Flour, Gelatin Capsule. These complete the product’s ingredient list but are not active constituents.

Interaction report

HGH-R Isotropin 1500 mg by NewtonEverett Drug Interactions

Want to check YOUR meds against HGH-R Isotropin 1500 mg?

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
454Drugs
445 Moderate 9 Minor

Ingredients driving the most interactions

L-Arginine 403
L-Glutamine 50
L-Glycine 1
L-Lysine 1

Individual Drug Interactions

The ingredients in HGH-R Isotropin 1500 mg interact with 454 drugs. Click any drug to see the details.

4 of the 7 ingredients in HGH-R Isotropin 1500 mg interact with drugs. Each result below shows which ingredient is responsible. L-Arginine L-Glutamine L-Glycine L-Lysine

Each ingredient & the kinds of drugs it affects

For each ingredient in HGH-R Isotropin 1500 mg 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.

L-Arginine9 drug types · 403 drugs

Ace Inhibitors (Aceis)

Theoretically, concomitant use of L-arginine and ACE inhibitors may increase the risk for hypotension and hyperkalemia.
Combining L-arginine with some antihypertensive drugs, especially ACE inhibitors, seems to have additive vasodilating and blood pressure-lowering effects. Furthermore, ACE inhibitors can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients. Theoretically, concomitant use of ACE inhibitors with L-arginine may increases the risk of hyperkalemia.

Likelihood Probable Evidence D
Angiotensin Receptor Blockers (Arbs)

Theoretically, concomitant use of L-arginine and ARBs may increase the risk of hypotension and hyperkalemia.
L-arginine increases nitric oxide, which causes vasodilation. Combining L-arginine with ARBs seems to increase L-arginine-induced vasodilation. Furthermore, ARBs can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients. Theoretically, concomitant use of ARBs with L-arginine may increases the risk of hyperkalemia.

Likelihood Probable Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, concomitant use of L-arginine with anticoagulant and antiplatelet drugs might have additive effects and increase the risk of bleeding.
Preliminary research suggests that L-arginine infusions reduce platelet aggregation in humans. The clinical significance of this effect is unclear.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, concomitant use of L-arginine might have additive effects with antidiabetes drugs.
Preliminary clinical research shows that L-arginine decreases blood glucose levels in patients with type 2 diabetes.

Likelihood Possible Evidence D
Antihypertensive Drugs

Theoretically, concomitant use of L-arginine and antihypertensive drugs may increase the risk of hypotension.
L-arginine increases nitric oxide, which causes vasodilation. Clinical evidence shows that L-arginine can reduce blood pressure in some individuals with hypertension. Furthermore, combining L-arginine with some antihypertensive drugs seems to have additive vasodilating and blood pressure-lowering effects.

Likelihood Probable Evidence D
Isoproterenol (Isuprel)

Theoretically, concurrent use of isoproterenol and L-arginine might result in additive effects and hypotension.
Preliminary clinical evidence suggests that L-arginine enhances isoproterenol-induced vasodilation in patients with essential hypertension or a family history of essential hypertension.

Likelihood Probable Evidence D
Potassium-Sparing Diuretics

Theoretically concomitant use of potassium-sparing diuretics with L-arginine may increases the risk of hyperkalemia.
Potassium-sparing diuretics can increase potassium levels. Use of L-arginine has been associated with hyperkalemia in some patients.

Likelihood Possible Evidence D
Sildenafil (Viagra)

Theoretically, concurrent use of sildenafil and L-arginine might increase the risk for hypotension.
In vivo, concurrent use of L-arginine and sildenafil has resulted in increased vasodilation. Theoretically, concurrent use 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
Testosterone

Theoretically, concomitant use of L-arginine and testosterone might have additive effects.
In clinical research, L-arginine increases the level of testosterone in male patients with erectile dysfunction. The clinical significance of this finding is unclear.

Likelihood Possible Evidence D
L-Arginine full monograph & interactions

L-Glutamine1 drug type · 50 drugs

Anticonvulsants

Theoretically, glutamine might antagonize the effects of anticonvulsant medications.
Glutamine is metabolized to the excitatory neurotransmitter glutamate. Glutamate might have antagonistic effects with anticonvulsant drugs. However, this interaction has not yet been reported in humans.

Likelihood Possible Evidence D
L-Glutamine full monograph & interactions

L-Glycine1 drug type · 1 drug

Clozapine (Clozaril)

Theoretically, glycine might decrease the effectiveness of clozapine.
One small clinical study in patients with schizophrenia shows that adding glycine to clozapine therapy worsens symptoms of schizophrenia when compared with clozapine alone. The mechanism of this interaction is unclear.

Likelihood Probable Evidence B
L-Glycine full monograph & interactions

L-Lysine1 drug type · 1 drug

5-Ht4 Agonists

Theoretically, lysine may reduce the effects of 5-HT4 agonists.
Animal research suggests that L-lysine is a partial serotonin receptor 4 (5-HT4) antagonist and inhibits diarrhea induced by the 5-HT4 agonist, 5-hydroxytryptophane.

Likelihood Unlikely Evidence D
L-Lysine full monograph & interactions
The maker

Brand information

Manufacturer and brand details for HGH-R Isotropin 1500 mg, from the product label.

NewtonEverett

See all NewtonEverett products
Name
Newton-Everett Biotech
Web Address
www.newton-everett.com
Pharmacist Counseling Corner

HGH-R Isotropin 1500 mg by NewtonEverett: Common Questions

Does HGH-R Isotropin 1500 mg by NewtonEverett interact with any medications?
Yes. Based on its ingredients, HGH-R Isotropin 1500 mg has a known interaction with 454 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
HGH-R Isotropin 1500 mg contains 7 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.
Is this safe to take if I'm pregnant or breastfeeding?
L-glutamine is rated Likely Safe in pregnancy and lactation. L-arginine is Possibly Safe in pregnancy but we don't have enough data on breastfeeding. L-glycine, L-lysine, L-ornithine, and ornithine alpha keto glutarate all lack enough safety data for pregnancy or breastfeeding — the product labeling advises against them without medical approval. Talk with your doctor or pharmacist about whether this product is right for you before starting.
What are the most common side effects?
L-glutamine can cause belching, bloating, constipation, diarrhea, nausea, and headache. L-arginine may cause abdominal pain, bloating, nausea, diarrhea, headache, and flushing. L-glycine rarely causes mild sedation or GI upset. L-lysine may cause stomach pain, diarrhea, or indigestion. Most people tolerate these well at typical doses, but side effects can increase with higher amounts.
Does this actually help with athletic performance?
L-arginine, L-lysine, L-ornithine, and ornithine alpha keto glutarate all carry a "Possibly Effective" rating for athletic performance in our data, meaning there is some evidence but it's not definitive. The strength of that evidence varies. Talk with your doctor about whether it's the right choice for your goals.
Can I take this with my blood pressure medication?
L-arginine in this product can lower blood pressure and may interact with ACE inhibitors, ARBs, and other blood pressure drugs, potentially lowering it too much. You need to check your specific medications with your doctor or pharmacist — never start this supplement alongside blood pressure medicine without confirming it's safe for you.
What about the colostrum ingredient?
We hold no interaction data for colostrum, so we cannot tell you whether it interacts with medications. We also have no effectiveness data on file for it. If you want to know more about colostrum's safety and effects, talk with your doctor or pharmacist.

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

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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.

HGH-R Isotropin 1500 mg label
Go deeper

The Full Monographs Behind HGH-R Isotropin 1500 mg’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Glutamine

Interacts with 50 drugs

Glutamine is the most abundant amino acid in the body and is usually made in your muscles. A prescription form is FDA-approved to help reduce sickle cell disease complications, but for most...

Read the full Glutamine monograph → Herb & supplement monograph

L-arginine

Interacts with 403 drugs

L-arginine is an amino acid that the body uses to make nitric oxide, a substance that helps blood vessels relax and widen. It is popularly used for blood pressure, erectile dysfunction, and...

Read the full L-arginine monograph → Herb & supplement monograph

Glycine

Interacts with 1 drug

Glycine is a non-essential amino acid your body makes on its own and that also appears in protein-rich foods. It is most studied for improving sleep quality, where early research is promisin...

Read the full Glycine monograph → Herb & supplement monograph

Lysine

Interacts with 1 drug

Lysine is an essential amino acid your body cannot make on its own, so it must come from food or supplements. People most often take extra lysine to try to prevent or shorten cold sores, but...

Read the full Lysine monograph → Herb & supplement monograph

Ornithine

Ornithine is a non-essential amino acid your body makes naturally as part of the urea cycle, which helps remove ammonia. It is sold as a supplement for fatigue, exercise recovery, and sleep,...

Read the full Ornithine monograph →
Sources

Sources & How We Checked

HGH-R Isotropin 1500 mg'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 90 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.

Glutamine 11 references
  1. Miller AL. Therapeutic considerations of L-glutamine: a review of the literature. Altern Med Rev 1999;4:239-48..
  2. Bozzetti F, Biganzoli L, Gavazzi C, et al. Glutamine supplementation in cancer patients receiving chemotherapy: a double-blind randomized study. Nutrition 1997;13:748-51.. PubMed
  3. Mebane AH. L-Glutamine and mania. Am J Psychiatry 984;141:1302-3.
  4. Meldrum BS. Glutamate as a neurotransmitter in the brain: review of physiology and pathology. J Nutr 2000;130:1007S-15S.. PubMed
  5. Garlick PJ. Assessment of the safety of glutamine and other amino acids. J Nutr 2001;131:2556S-61S.. PubMed
  6. Chapman AG. Glutamate and epilepsy. J Nutr 2000;130:1043S-5S.. PubMed
  7. Ziegler TR. Glutamine supplementation in cancer patients receiving bone marrow transplantation and high dose chemotherapy. J Nutr 2001;131:2578S-84S.. PubMed
  8. Laviano A, Molfino A, Lacaria MT, Canelli A, De Leo S, Preziosa I, Rossi Fanelli F. Glutamine supplementation favors weight loss in nondieting obese female patients. A pilot study. Eur J Clin Nutr. 2014 Nov;68(11):1264-6. PubMed
  9. Endari (l-glutamine) [package insert]. Torrance, CA: Emmaus Medical,Inc; 2017.
  10. Niihara Y, Miller ST, Kanter J, et al. A Phase 3 Trial of l-Glutamine in Sickle Cell Disease. N Engl J Med 2018;379(3):226-35. doi: 10.1056/NEJMoa1715971.
  11. Ogden HB, Child RB, Fallowfield JL, et al. Gastrointestinal Tolerance of Low, Medium and High Dose Acute Oral l-Glutamine Supplementation in Healthy Adults: A Pilot Study. Nutrients. 2020;12(10):2953. PubMed

See these in context on the Glutamine monograph →

L-arginine 66 references
  1. Sapienza MA, Kharitonov SA, Horvath I, et al. Effect of inhaled L-arginine on exhaled nitric oxide in normal and asthmatic subjects. Thorax 1998;53:172-5.
  2. Clarkson P, Adams MR, Powe AJ, et al. Oral L-arginine improves endothelium-dependent dilation in hypercholesterolemic young adults. J Clin Invest 1996;97:1989-94. PubMed
  3. Tenenbaum A, Fisman EZ, Motro M. L-arginine: Rediscovery in progress. Cardiology 1998;90:153-9.
  4. Brittenden J, Park KGM, Heys SD, et al. L-Arginine stimulates host defenses in patients with breast cancer. Surgery 1994;115:205-12.
  5. Korting GE, Smith SD, Wheeler MA, et al. A randomized double-blind trial of oral L-arginine for treatment of interstitial cystitis. J Urol 1999;161:558-65. DOI
  6. Rector TS, Bank AJ, Mullen KA, et al. Randomized, double-blind, placebo-controlled study of supplemental oral L-arginine in patients with heart failure. Circulation 1996;93:2135-41.
  7. Siani A, Pagano E, Iacone R, et al. Blood pressure and metabolic changes during dietary L-arginine supplementation in humans. Am J Hypertens 2000;13:547-51. PubMed
  8. Cheng JW, Balwin SN. L-arginine in the management of cardiovascular diseases. Ann Pharmacother 2001;35:755-64. PubMed
  9. Wallace AW, Tom WL. Interaction of L-arginine and phosphodiesterase inhibitors in vasodilation of the porcine internal mammary artery. Anesth Analg 2000;90:840-6. DOI
  10. Huynh NT, Tayek JA. Oral arginine reduces systemic blood pressure in type 2 diabetes: its potential role in nitric oxide generation. J Am Coll Nutr 2002;21:422-7.. PubMed
  11. Staff AC, Berge L, Haugen G, et al. Dietary supplementation with L-arginine or placebo in women with pre-eclampsia. Acta Obstet Gynecol Scand 2004;83:103-7.
  12. Resnick DJ, Softness B, Murphy AR, et al. Case report of an anaphylactoid reaction to arginine. Ann Allergy Asthma Immunol 2002;88:67-8. PubMed
  13. Anon. Arginine hydrochloride injection (marketed as R-Gene 10). FDA Drug Safety Newsletter 2009;2(2):16-18. Available at: www.fda.gov/Drugs/DrugSafety/DrugSafetyNewsletter/default.htm.
  14. Higashi Y, Oshima T, Sasaki S, et. al. Angiotensin-converting enzyme inhibition, but not calcium antagonism, improves a response of the renal vasculature to L-arginine in patients with essential hypertension. Hypertension. 1998 Jul;32(1):16-24.
  15. Facchinetti, F., Longo, M., Piccinini, F., Neri, I., and Volpe, A. L-arginine infusion reduces blood pressure in preeclamptic women through nitric oxide release. J Soc Gynecol.Investig. 1999;6(4):202-207. DOI
  16. de Gouw, H. W., Verbruggen, M. B., Twiss, I. M., and Sterk, P. J. Effect of oral L-arginine on airway hyperresponsiveness to histamine in asthma. Thorax 1999;54(11):1033-1035. PubMed
  17. Komers, R., Komersova, K., Kazdova, L., Ruzickova, J., and Pelikanova, T. Effect of ACE inhibition and angiotensin AT1 receptor blockade on renal and blood pressure response to L-arginine in humans. J Hypertens. 2000;18(1):51-59. PubMed
  18. Cartledge, J. J., Davies, A. M., and Eardley, I. A randomized double-blind placebo-controlled crossover trial of the efficacy of L-arginine in the treatment of interstitial cystitis. BJU.Int. 2000;85(4):421-426.
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Glycine 5 references
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Lysine 7 references
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Ornithine 1 reference
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