Please place orders prior to Wednesday, June 26th to ensure shipment in advance of the holiday. Click here for more info.

DaVinci offices will be closed July 1st through July 5th for holiday shutdown. We'll resume normal business hours on Monday, July 8th.

DaVinci Laboratories will be closed on Thursday 11/23 and Friday 11/24 for the Thanksgiving Holiday. Orders placed during this time will be shipped after we reopen for business on Monday, 11/27.

Free shipping within the U.S.   Free shipping within the U.S


Comprehensive formula with 15 effective nutrients including B vitamins, minerals, MSM and hyaluronic acid to support full, shiny hair, strong nails and healthy skin.*
In stock &
Packaging may vary.
Everyone wants full, shiny hair; smooth, supple skin; and strong nails. Unfortunately, factors like cold, dry winter weather, aging, and sun exposure can lead to a less-than-ideal appearance. DaVinci® Laboratories Hair, Skin & Nails formula counteracts these challenges to promote glossy hair, youthful-looking skin, and beautiful nails.*
WARNING: Consuming this product can expose you to chemicals including arsenic, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to

More Information

Suggested Use: As a dietary supplement, take 2 capsules daily or as directed by your healthcare practitioner.

Supplement Facts
Serving Size 2 Capsules
Servings Per Container 30
Amount per Serving                                                                                                         % Daily Value
Vitamin A (as Retinyl Palmitate) 800 mcg                            89%
Vitamin C (as Ascorbic Acid) 100 mg                                111%
Vitamin D3 (as Cholecalciferol) 20 mcg (800 IU)                    100%
Thiamin (as Thiamin HCl) 5 mg                                      417%
Riboflavin 5 mg                                                    385%
Niacin (as Niacinamide) 5 mg                                        31%
Vitamin B6 (as Pyridoxal-5-Phosphate) 5 mg                         294%
Folate (as L-Methyltetrahydrofolate Calcium) 800 mcg DFE           200%
Biotin 5,000 mcg                                                16,667%
Pantothenic Acid (as Ca d-Pantothenate) 100 mg                   2,000%
Iodine (from Kelp) 150 mcg                                         100%
Zinc (as Zinc Bisglycinate Chelate) (TRAACS™) 10 mg                 91%
Selenium (as L-Selenomethionine) 100 mcg                           182%
Collagen Hydrolysate (from Bovine) 500 mg                             *
Methylsulfonylmethane (MSM) 100 mg                                    *
Hyaluronic Acid 20 mg                                                 *
Horsetail (Equisetum arvense) Herb Extract 5 mg                       *
*Daily Value not established.
Other Ingredients: hypromellose (capsule), microcrystalline cellulose, vegetarian leucine.
WARNING:If pregnant or nursing, consult your healthcare practitioner before taking this product.

Color of this product may vary due to color variations of the natural ingredients.

Keep out of reach of children. Store in a cool, dry place.

To obtain product information or report a serious adverse event, call 1-800-325-1776.

More Information
VetriScience Proline Product No

Reviews represent the opinions of the authors and have not been modified in any way. They have not been reviewed by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. We reserve the right to remove any review that claims or implies a product can diagnose, treat, cure or prevent any disease or makes similar unapproved disease claims.

Checking for lab results...

Not sure where to start?

Our experts can help. Contact Us ›