The supplement ingredient directory
Every vitamin, mineral, herb, and botanical we track — each with pharmacist-reviewed drug-interaction data. Search, browse A–Z, or explore what’s most common below.
Find any ingredient in the directory
Type a product, brand, ingredient/herb, DSLD ID, or a barcode (UPC) and jump straight to its page. This finds pages — it doesn’t check interactions.
AI points you to pages in our database. Confirm the exact product on its page. How we use AI
⚕️ Trying to check whether a drug interacts with a supplement? Our interaction checker answers that directly. Open the checkerBrowse every ingredient
Switch to products →- Padang Cassia
- Pagoda Tree
- Paleo Diet
- Palm Oil
- Palmitoylethanolamide (pea)
- Panax Ginseng
- Panax Notoginseng
- Pancreatic Enzyme Products
- Pangamic Acid
- Pantethine
- Pantothenic Acid
- Pao Pereira
- Papain
- Papaya
- Para-aminobenzoic Acid (paba)
- Pareira
- Parsley
- Parsley Piert
- Parsnip
- Partridgeberry
- Passion Flower
- Pata De Vaca
- Patchouli Oil
- Patricia Kane (pk) Protocol
- Pau D'arco
- Pea Protein
- Peanut Oil
- Pear
- Pectin
- Pedunculate Oak
- Pellitory
- Pellitory-of-the-wall
- Pennyroyal
- Peony
- Peppermint
- Perilla
- Perillyl Alcohol
- Periwinkle
- Peru Balsam
- Peyote
- Phaseolus Vulgaris
- Pheasant's Eye
- Phellodendron
- Phenethylamine (pea)
- Phenibut
- Phenpromethamine
- Phenylalanine
- Phlorizin
- Phosphate Salts
- Phosphatidylcholine
- Phosphatidylserine
- Phytase
- Picamilon
- Picrorhiza
- Pimpinella
- Pinellia Ternata
- Pink Root
- Pipsissewa
- Piracetam
- Pitcher Plant
🔥 Popular ingredients to explore
A fresh pick of ingredients worth a look — it rotates daily, and rises with what people are viewing.
🆕 What’s new
The latest ingredients added to our catalog — each one ready to check against your medications.
Curated & reviewed by Dr. Brian Staiger, PharmD, BCPS and the HelloPharmacist pharmacy team.
Interaction data is built on Natural Medicines (Therapeutic Research Center) and official product labels from the NIH Dietary Supplement Label Database. Our data sources · Editorial Policy.
This directory is for information only and does not replace professional medical advice. It may not capture every possible interaction. Always confirm with your pharmacist or doctor before starting, stopping, or changing any medication or supplement.