L-Proline 550 mg Ingredients & Drug Interactions
What is this page for?
First and foremost: checking L-Proline 550 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
L-Proline 550 mg is a dietary supplement by BulkSupplements.com 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 550 mg by BulkSupplements.com
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
L-Proline 550 mg is a single-ingredient supplement containing L-proline, an amino acid that your body uses to build and repair connective tissue like collagen. The capsule itself is made from hypromellose, a plant-derived capsule material.
Does it work?
Couldn't assess
The evidence behind L-proline for athletic performance, osteoporosis, fractures, wound healing, and osteopenia (low bone density) is insufficient to rate at this time. In other words, we don't have enough reliable research to say whether it works for any of these uses.
How safe is it?
Some data gaps
L-proline is generally well tolerated when you get it from food, but how safe supplemental doses are hasn't been well studied. The safety data on supplemental doses while breastfeeding is also not established.
Because of these gaps, the best approach is to avoid extra amounts beyond your regular diet unless your doctor specifically advises you to take them.
Meds to double-check
No known interactions
No interactions are documented in our data for L-proline. Still, check your exact medications with the tool on this page, or ask your doctor or pharmacist to be sure.
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 straightforward, single-ingredient amino acid supplement with no documented drug interactions. However, the evidence for whether it actually works for bone health, athletic performance, or wound healing isn't clear yet.
If you're thinking about using it, talk it over with your doctor or pharmacist first — they can help you decide if it makes sense for your situation.
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 Aug 23, 2021.
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 550 mg, straight from the product label.
| Brand | BulkSupplements.com |
|---|---|
| Net contents | 100 Vegetarian Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Aug 23, 2021 |
| DSLD ID | 252819 |
| Product type | Amino Acid/protein |
| Supplement form | Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Women (not pregnant or lactating), Gluten Free, Dairy Free, Sugar 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 550 mg by BulkSupplements.com, sourced from the NIH Dietary Supplement Label Database.
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.
General Statements
Clean & pure bulk supplements
Formulation
Free of: Sugar, soy, dairy, yeast, gluten or additives
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take 1 capsule daily, or as directed by a physician.
Storage
Storage: Keep dry, cool & dark
Precautions
Warning: This product is not intended for use by those with a serious medical condition or pregnant or lactating women.
Consult your physician before use.
Keep out of reach of children!
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 550 mg by BulkSupplements.com 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 550 mg by BulkSupplements.com
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size1 Capsule(s) Dosage formCapsule Servings per container100 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 & interactionsOther (inactive) ingredients: Hypromellose Capsules. These complete the product’s ingredient list but are not active constituents.
L-Proline 550 mg by BulkSupplements.com Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in L-Proline 550 mg. 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 550 mg, from the product label.
BulkSupplements.com
See all BulkSupplements.com products- Name
- BulkSupplements.com
- Street Address
- 7511 Eastgate Road
- City
- Henderson
- State
- NV
- ZipCode
- 89011
- Web Address
- BulkSupplements.com
L-Proline 550 mg by BulkSupplements.com: Common Questions
Does L-Proline 550 mg by BulkSupplements.com 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 while I'm pregnant?
Is L-proline safe to take while breastfeeding?
What does L-proline actually do?
Does L-proline really help with bone health or wound healing?
Are there any side effects from taking L-proline?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if L-Proline 550 mg 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 550 mg’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 550 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.
- 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