L-Proline Ingredients & Drug Interactions
by NutraBio
What is this page for?
First and foremost: checking L-Proline 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
L-Proline is a dietary supplement by NutraBio with 1 active ingredient. Its ingredients are commonly taken for joint and connective tissue support, skin health and wound healing, collagen production.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.
HelloPharmacist Scorecard of L-Proline by NutraBio
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.
What’s inside
Full disclosure
This product contains one active ingredient: L-proline, an amino acid your body uses to build and repair connective tissue, including collagen in skin, joints, and bone. It's naturally present in protein-rich foods, and this powder form lets you add extra amounts to your routine if you choose.
Does it work?
Couldn't assess
The evidence for L-proline on athletic performance, bone health (osteoporosis, osteopenia, and fractures), and wound healing is insufficient right now — we don't have reliable data showing it works for any of these. That doesn't mean it doesn't; it means the studies aren't there yet to confirm benefit.
How safe is it?
Some data gaps
L-proline from food sources is generally well tolerated. The safety of supplemental doses, though, hasn't been well studied, so the facts suggest avoiding extra amounts unless your doctor recommends them.
If you're pregnant, there isn't enough data to know whether supplemental doses are safe — talk with your doctor or pharmacist about whether this is right for you. The same goes for breastfeeding: safety data on supplemental doses isn't established, so use caution and check with your doctor or pharmacist first.
Meds to double-check
No known interactions
No interactions are documented in our data for L-proline. Still, check your exact medications with the search tool on this page or with your doctor or pharmacist before adding any new supplement to your routine.
The bottom line
Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and some safety-information gaps remain.
L-Proline is a single amino acid with no documented drug interactions. If you're interested in it for joint or connective-tissue support, keep in mind the evidence isn't strong enough yet to confirm it works.
Talk with your doctor or pharmacist about whether it's a good fit for you, especially if you're pregnant, breastfeeding, or taking any medications.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Mar 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
General information
Key facts about L-Proline, straight from the product label.
| Brand | NutraBio |
|---|---|
| Barcode (UPC) | 649908234294 |
| Net contents | 5.3 Ounce(s); 150 Gram(s) |
| Market status | On market |
| Date entered into DSLD | Mar 22, 2024 |
| DSLD ID | 309343 |
| Product type | Amino Acid/protein |
| Supplement form | Powder |
| Dietary claims / uses | Nutrient, All Other, Structure/Function |
| Intended target group(s) | Vegetarian, Adult (18 - 50 Years), Kosher, No Allergies, Gluten Free, Dairy Free |
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 L-Proline by NutraBio, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| L-Proline | 2 Gram(s) | -- |
Tap any ingredient to jump to its full detail below.
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.
Suggested/Recommended/Usage/Directions
Suggested Use: As a dietary supplement, add 1 scoop (2 grams) to your favorite beverage 1-2 times daily, or as directed by a physician.
Formulation
Vegetarian
Non-GMO Gluten free Lactose free No excipients, no fillers, allergen free, no artificial color, flavor or sweetener, no preservatives, no starch, no sugar, no soy, no wheat, no yeast, no fish, no milk, sodium free.
Supports healthy joints Supports cardiovascular function Supports collagen production
Precautions
Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.
If you are pregnant, breast feeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medication(s) consult with your health care practitioner before using this product.
Discontinue use two weeks prior to surgery.
General Statements
NutraBio Since 1996
Seals/Symbols
Manufactured in our GMP & FDA Inspected facility FDA Registration: 16906175560
Made in USA With ingredients sourced worldwide
OU (Kosher)
Formula
Pure grade amino acid
OU (Kosher)
FDA Statement of Identity
Amino Acid Supplement
Storage
Store in a cool dry place.
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.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
L-Proline by NutraBio label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
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)The Ingredients in L-Proline by NutraBio
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size2 Gram(s) Dosage formPowder Servings per container75 Amounts shown are per serving.
L-Proline
No knowninteractions
Proline is a non-essential amino acid that your body can make on its own and that you also get from protein-rich foods. It is a key building block of...
L-Proline monograph & interactionsL-Proline by NutraBio Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in L-Proline. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for L-Proline, from the product label.
NutraBio
See all NutraBio products- Name
- NutraBio Labs, Inc.
- Street Address
- 564 Lincoln Blvd.
- City
- Middlesex
- State
- NJ
- ZipCode
- 08846
- Phone Number
- 732-748-8606
- Web Address
- www.nutrabio.com
L-Proline by NutraBio: Common Questions
Does L-Proline by NutraBio interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Is L-proline safe to take if I'm pregnant?
Can I take this while breastfeeding?
Does L-proline actually help with joint health or wound healing?
What does L-proline do in my body?
Are there any side effects?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if L-Proline is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
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.
The Full Monographs Behind L-Proline’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
L-Proline'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.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
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 4 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.
Proline 4 references
- Jennings A, MacGregor A, Spector T, Cassidy A. Amino acid intakes are associated with bone mineral density and prevalence of low bone mass in women: Evidence from discordant monozygotic twins. J Bone Miner Res. 2016;31(2):326-35. PubMed
- Gracia-Marco L, Bel-Serrat S, Cuenca-Garcia M, et al. Amino acids intake and physical fitness among adolescents. Amino Acids. 2017;49(6):1041-1052. PubMed
- Jamdar J, Rao B, Netke S, et al. Reduction in tibial shaft fracture healing time with essential nutrient supplementation containing ascorbic acid, lysine, and proline. J Altern Complement Med. 2004;10(6):915-6.
- Mehl AA, Damião AO, Viana SD, Andretta CP. Hard-to-heal wounds: a randomised trial of an oral proline-containing supplement to aid repair. J Wound Care 2021;30(1):26-31. PubMed
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