supplementhackr
21st Century

Extra Strength Hair, Skin & Nails

Serving
3 Tablet(s)
Per container
30
Form
tablet
UPC
740985278475
DSLD
205495
Formula hash
5c45334a0142
Brand context
21st Century
Catalog
798
products
With avoid flag
196
products
FDA recalls
0
history
CAERS
3
reports
Caution-flaggedObjective label signals
Flagged excipients
2
0 avoid · 2 caution
FDA recalls
0
no recall history
CAERS reports
3
FDA consumer events
Certifications
0
none recorded
2 excipients carry authority-caution citations. · Every flag below links to the authority's published citation.

Supplement Facts

23 active ingredients
IngredientAmount% DV
Vitamin A
vitaminUNII · 81G40H8B0T
UL · set3 effects
5000 IU100%
Vitamin C
vitaminUNII · PQ6CK8PD0R
UL · set5 effects
60 mg100%
Vitamin D3
Vitamin DvitaminUNII · 1C6V77QF41
UL · set4 effects
1000 IU250%
Vitamin E
vitaminUNII · H4N855PNZ1
UL · set1 effect
15 IU50%
Thiamine
ThiaminvitaminUNII · X66NSO3N35
3 effects
5 mg333%
Riboflavin
vitaminUNII · TLM2976OFR
5 effects
2 mg118%
Niacin
vitaminUNII · 2679MF687A
UL · set3 effects
25 mg125%
Vitamin B6
vitaminUNII · KV2JZ1BI6Z
UL · set6 effects
5 mg250%
Folate
vitaminUNII · 935E97BOY8
UL · set2 effects
200 mcg50%
Vitamin B12
vitaminUNII · 8406EY2OQA
3 effects
8 mcg133%
Biotin
vitaminUNII · 6SO6U10H04
3 effects
5000 mcg1667%
Pantothenic Acid
Pantothenic Acid (Vitamin B5)vitaminUNII · 19F5HK2737
15 mg150%
Calcium
mineralUNII · SY7Q814VUP
UL · set6 effects
372 mg37%
Phosphorus
mineralUNII · 27YLU75U4W
UL · set2 effects
180 mg18%
Magnesium
mineralUNII · I38ZP9992A
UL · set6 effects
50 mg13%
Zinc
mineralUNII · J41CSQ7QDS
UL · set8 effects
7.5 mg50%
Manganese
mineralUNII · 42Z2K6ZL8P
UL · set2 effects
2 mg100%
PABA
herbUNII · D65AUB322A
10 mg—
Choline Bitartrate
CholinevitaminUNII · 6K2W7T9V6Y
UL · set3 effects
10 mg—
Inositol
herbUNII · 4L6452S749
30 mg—
Citrus Bioflavonoid/Rutin Complex
Flavonoid (mixture)herb
38 mg—
Horsetail powder
Horsetailherb
3 mg—
Collagen
otherUNII · 3221SCV0LS
50 mg—
What this product supports · authorized claims

26 authority-backed effects

Rolled up from EFSA / FDA / NIH ODS authorized function claims on this product's active ingredients. Each row shows which ingredients contribute.

Flagged excipients

2 flagged · authority citations

  • ◐ CAUTIONBHT
    preservative

    NTP 15th Report on Carcinogens (2021) classifies BHT/BHA as not listed, but BHA is 'reasonably anticipated to be a human carcinogen'. EU permits BHT with strict limits under Commission Regulation 1333/2008 Annex II.

    ntp.niehs.nih.gov →eur-lex.europa.eu →
  • ◐ CAUTIONBHA
    preservative

    Listed in NTP 15th Report on Carcinogens (2021) as 'reasonably anticipated to be a human carcinogen' based on sufficient evidence in experimental animals. Permitted in US food but with labeling requirements.

    ntp.niehs.nih.gov →ecfr.gov →
FDA CAERS · adverse event context
3
consumer-submitted adverse event reports filed with the FDA CFSAN Adverse Event Reporting System mentioning this product or its brand.

CAERS reports are unverified consumer submissions — not adjudicated causality. Large well-known brands accumulate proportionally more reports simply due to broader use. About CAERS →

Other ingredients

Cellulose · Croscarmellose Sodium · Maltodextrin · Stearic Acid · Silicon Dioxide · Magnesium Stearate · Polyvinyl Alcohol · Talc · Gelatin · PEG · Starch · Sucrose · Polysorbate · Vegetable oil · Water · Ascorbyl Palmitate · Gum Arabic