PlainVitamins

Hair Effects

by DaVinci Laboratories · capsule · 90 capsules

  • On the market (NIH)
  • UPC 0 26664 27239 3
  • DSLD label 322171
  • Serving 3 capsules
  • 30 servings

Hair Effects by DaVinci Laboratories lists 23 ingredients, 18 with an amount per serving of 3 capsules, such as 600 mcg of biotin, 15 mg of zinc, 3 mg of copper and 500 mg of DL-methionine; 5 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2024.

What is in Hair Effects?

Each row as the label prints it, per serving of 3 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Hair Effects: Supplement Facts rows against the market (DSLD label 322171, January 2026 release)
IngredientAmount% DVAmong products listing it
Biotin600 mcg2,000%Biotin in Hair Effects against 9,447 products600 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg600 mcg

Higher than 81% of 9,447 products listing biotin (median 200 mcg).

Zincas Zinc Picolinate15 mg136%Zinc in Hair Effects against 13,186 products15 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg15 mg

Higher than 56% of 13,186 products listing zinc (median 11 mg).

Copperas Copper Sulfate3 mg333%Copper in Hair Effects against 6,468 products3 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg3 mg

Higher than 96% of 6,468 products listing copper (median 1 mg).

DL-Methionine500 mgDL-Methionine in Hair Effects against 151 products500 mg per serving; the middle half of products list 25 mg to 132.5 mg, the median 50 mg.500 mg

Higher than 91% of 151 products listing DL-methionine (median 50 mg).

Saw Palmetto Berry Extractas Serenoa repens Berry Extract360 mgSaw Palmetto in Hair Effects against 1,109 products360 mg per serving; the middle half of products list 100 mg to 320 mg, the median 200 mg.360 mg

Higher than 83% of 1,109 products listing saw palmetto (median 200 mg).

Fatty Acids45%162 mgFatty acids in Hair Effects against 136 products162 mg per serving; the middle half of products list 50 mg to 150 mg, the median 60 mg.162 mg

Higher than 76% of 136 products listing fatty acids (median 60 mg).

Methylsulfonylmethane200 mgMethylsulfonylmethane in Hair Effects against 1,454 products200 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.200 mg

68% of 1,454 products listing methylsulfonylmethane give more (median 500 mg).

L-Cysteine200 mgCysteine in Hair Effects against 516 products200 mg per serving; the middle half of products list 30 mg to 200 mg, the median 85 mg.200 mg

Higher than 72% of 516 products listing cysteine (median 85 mg).

Grape Seed Extract200 mgGrape in Hair Effects against 1,900 products200 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.200 mg

Higher than 83% of 1,900 products listing grape (median 50 mg).

Proanthocyanidins190 mgProanthocyanidins in Hair Effects against 164 products190 mg per serving; the middle half of products list 12.5 mg to 95 mg, the median 36 mg.190 mg

Higher than 90% of 164 products listing proanthocyanidins (median 36 mg).

Horsetail Rush Herb Extract100 mgHorsetail in Hair Effects against 519 products100 mg per serving; the middle half of products list 20 mg to 200 mg, the median 67 mg.100 mg

Higher than 54% of 519 products listing horsetail (median 67 mg).

Pygeum africanum Bark Extract75 mgPygeum in Hair Effects against 326 products75 mg per serving; the middle half of products list 33.72 mg to 120 mg, the median 100 mg.75 mg

54% of 326 products listing pygeum give more (median 100 mg).

Plant Sterols1.87 mg
Plant Sterol Complexas Beta-Sitosterol40% Beta Sitosterol75 mgPhytosterols in Hair Effects against 440 products75 mg per serving; the middle half of products list 100 mg to 667 mg, the median 400 mg.75 mg

82% of 440 products listing phytosterols give more (median 400 mg).

Gamma-Linolenic Acid, Powder50%50 mgGamma Linolenic Acid in Hair Effects against 740 products50 mg per serving; the middle half of products list 42 mg to 160 mg, the median 90 mg.50 mg

61% of 740 products listing gamma linolenic acid give more (median 90 mg).

Stinging Nettle Root Extract50 mgStinging Nettle in Hair Effects against 710 products50 mg per serving; the middle half of products list 50 mg to 300 mg, the median 120 mg.50 mg

69% of 710 products listing stinging nettle give more (median 120 mg).

DIMa proprietary enhanced bioavailability complex of50 mg
Starchin the blend, no amount given
Diindolylmethanein the blend, no amount given
Vitamin Eas Tocophersolanin the blend, no amount given
Phosphatidylcholinein the blend, no amount given
Silicain the blend, no amount given
Green Tea Extract50 mgGreen Tea in Hair Effects against 2,595 products50 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.50 mg

69% of 2,595 products listing green tea give more (median 100 mg).

Epigallo-Catechin-3-Gallate15 mgEGCG in Hair Effects against 291 products15 mg per serving; the middle half of products list 50 mg to 150 mg, the median 100 mg.15 mg

92% of 291 products listing EGCG give more (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 322171 (entered November 22, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 3 mg of copper is higher than 96% of the 6,468 copper products that print an amount; 110 list more.
  • Its 500 mg of DL-methionine is higher than 91% of the 151 DL-methionine products that print an amount; 7 list more.
  • Its 190 mg of proanthocyanidins is higher than 90% of the 164 proanthocyanidins products that print an amount; 12 list more.
  • 92% of the 291 products that print an amount of EGCG list more than its 15 mg of epigallo-catechin-3-gallate (filed by NIH under EGCG) (median 100 mg).

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

The products whose ingredient lists overlap most with Hair Effects's, rare ingredients counting for more.

  • Hair EffectsDaVinci Laboratories Of Vermont · off the market 17 shared, 72% alike
  • Restore FXNorthStar Nutritionals 17 shared, 72% alike

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested Use: As a dietary supplement, take 3 capsules daily with food. The daily amount can be divided between AM and PM, or as directed by your healthcare practitioner.
Warnings
Warning: If pregnant, nursing, or planning to become pregnant do not take this product.
Keep out of reach of children.
To obtain product information or report a serious adverse event, call 1-800-325-1776.
Allergens and what it does not contain
Gluten Free Non-GMO
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 322171.

What else is on the label?

Other ingredients: Hypromellose, Microcrystalline Cellulose, Leucine.

How many labels does Hair Effects have?

4 labels are on file under this name since June 22, 2023: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 322171 (current) Entered November 22, 2024 · on the market · 90 capsules · UPC 0 26664 27239 3
  2. Label 313223 Entered July 25, 2024 · off the market September 27, 2024 · 90 capsules · UPC 0 26664 27239 3
  3. Label 303919 Entered December 14, 2023 · off the market November 17, 2023 · 90 capsules · UPC 0 26664 27239 3
  4. Label 288290 Entered June 22, 2023 · off the market October 1, 2022 · 90 capsules · UPC 0 26664 27239 3

DSLD also links this label to: Hair Effects (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names DaVinci Laboratories a division of FoodScience LLC (distributor), Williston, VT. All DaVinci Laboratories products.

Where next?