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Supplement brand

NOW

NOW has 3,519 supplement product labels cataloged in the NIH DSLD, 950 currently on market, #2 of 4,269 by catalog size.

3,519
Total products
950
On market
#2 of 4,269
By catalog size
27%
Still on market
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Brand at a glance

According to the National Institutes of Health (NIH) Office of Dietary Supplements' September 2026 Dietary Supplement Label Database (DSLD) release, NOW filed 3,519 supplement labels; 27% still on-market, ranking #2 of 4,269 by catalog size among brands PlainVitamins indexes.

3,519
Total DSLD labels
950
On market today
27%
Still listed
#2 of 4,269
Catalog rank

Figures come from NIH DSLD label rows PlainVitamins indexes. Catalog size is a filing count, not a quality, safety, or efficacy score.

NOW vs all brands by DSLD catalog size

Where this brand's product-label count sits among every brand PlainVitamins indexes (archive depth, not a quality or safety ranking)

3,519 2nd of 4271 higher than 4,269 of 4,271 brands

Brands banded by distinct NIH DSLD product labels

Each bar is a band; taller bars hold more brands. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source NIH Dietary Supplement Label Database (DSLD) · 2026-09-04

NOW labels by product type

Distinct DSLD product-type counts for this brand's catalog (second framed viz alongside the brand-vs-all distribution)

labels
Source NIH Dietary Supplement Label Database (DSLD) As of 2026-09-04

NOW: a look at the formulation mix

22.5% of the 28,939 ingredient entries across NOW's catalog are ingredients outside DSLD's named categories, followed by mineral ingredients (14.9%). 12 distinct DSLD ingredient categories are represented overall. DSLD's own ingredient categories are a filing classification, not a quality, safety, or efficacy assessment.

NOW ingredients by DSLD category

Distinct ingredient-category counts across every DSLD label on file for this brand

ingredient rows
Source NIH Dietary Supplement Label Database (DSLD) As of 2026-09-04

NOW vs. its nearest catalog-size peers

Among the 5 brands closest to NOW by total DSLD label count: catalog size (x) against the share of those labels still on-market today (y). Two brands can file a near-identical number of labels and still sit in very different quadrants. NOW's own catalog leans toward ingredients outside DSLD's named categories.

Source: NIH Dietary Supplement Label Database (DSLD), NOW plus its 5 nearest peers by product-label count 2×2 strategic matrix plotting 6 entities by Total labels registered (X) and Share still on-market (%) (Y), with a crosshair dividing the plot into four quadrants. Scaled & activeFocused & activeScaled, thinningSmall & thinning 1,0002,0003,0004,0005,000 0%20%40%60%80%100% Total labels registered Share still on-market (%) NOW vs. nearest catalog-size peers NOW - 3519, 27%NOWBulkSupplements.com - 4324, 77.8%BulkSupplements.comDouglas Laboratories - 2177, 40.8%Douglas LaboratoriesHerb Pharm - 1755, 22.3%Herb PharmNature's Way - 1749, 35.8%Nature's WayCarlson - 1587, 34.1%Carlson
Source: NIH Dietary Supplement Label Database (DSLD), NOW plus its 5 nearest peers by product-label count

NOW in the DSLD catalog

NOW places in the 99th percentile of brands by distinct product-label count (rank #2 of 4,271). NIH DSLD catalog size and on-market share track how much a brand has filed, not how good, safe, or effective any product is.

Products by NOW

Joint Support Powder
9 ingredients · Other Combinations
Off Market
Kava Kava Extract
3 ingredients · Botanical
Off Market
Kava Kava Extract 250 mg
7 ingredients · Botanical
Off Market
Kelp 150 mcg Of Natural Iodine
5 ingredients · Mineral
Off Market
Kid Cal Orange Dream
16 ingredients · Botanical with Nutrients
Off Market
Kid Cal Tart Orange
16 ingredients · Botanical with Nutrients
Off Market
Kid Vits Berry Blast
41 ingredients · Other Combinations
Off Market
Kid Vits Orange Splash
41 ingredients · Other Combinations
Off Market
Kid's Chewable DHA
12 ingredients · Fat/Fatty Acid
Off Market
Kid's Chewable DHA Fruit Flavor
9 ingredients · Fat/Fatty Acid
Off Market
Kidney Cleanse
11 ingredients · Botanical
Off Market
Krill & CoQ10
15 ingredients · Other Combinations
Off Market
Krill 1000 Double Strength
11 ingredients · Other Combinations
On Market
Krill Oil 500 mg
11 ingredients · Other Combinations
On Market
KSM-66 Ashwagandha
5 ingredients · Botanical
On Market
L-Arginine 500 mg
4 ingredients · Amino acid/Protein
Off Market
L-Arginine 700 mg
5 ingredients · Amino acid/Protein
On Market
L-Arginine Amino Acid 500 mg
4 ingredients · Amino acid/Protein
Off Market
L-Carnitine 1000 mg
7 ingredients · Amino acid/Protein
Off Market
L-Carnitine 250 mg
5 ingredients · Amino acid/Protein
Off Market
L-Carnitine 500 mg
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnosine 500 mg
4 ingredients · Amino acid/Protein
Off Market
L-Citrulline 750 mg
5 ingredients · Amino acid/Protein
Off Market
L-Cysteine 500 mg
8 ingredients · Other Combinations
Off Market
L-Glutamine 500 mg
4 ingredients · Amino acid/Protein
Off Market
L-Histidiine 600 mg
6 ingredients · Amino acid/Protein
On Market
L-Lysine 500 mg
5 ingredients · Amino acid/Protein
Off Market
L-Methionine 500 mg
5 ingredients · Other Combinations
Off Market
L-OptiZinc 30 mg
5 ingredients · Mineral
Off Market
L-Ornithine 500 mg
4 ingredients · Amino acid/Protein
Off Market
L-Phenylalanine 500 mg
2 ingredients · Amino acid/Protein
Off Market
L-Proline 500 mg
4 ingredients · Amino acid/Protein
Off Market
L-Theanine 100 mg
6 ingredients · Botanical with Nutrients
Off Market
L-Theanine 100 mg Suntheanine
6 ingredients · Other Combinations
Off Market
L-Tryptophan 1000 mg
7 ingredients · Amino acid/Protein
Off Market
L-Tryptophan 500 mg
4 ingredients · Amino acid/Protein
Off Market
L-Tryptophan Powder
2 ingredients · Amino acid/Protein
Off Market
L-Tyrosine 500 mg
4 ingredients · Amino acid/Protein
Off Market
L-Tyrosine 750 mg
4 ingredients · Amino acid/Protein
Off Market
L-Tyrosine 750 mg - Extra Strength
4 ingredients · Amino acid/Protein
Off Market
Laxative Cleanse
12 ingredients · Botanical with Nutrients
Off Market
Lecithin Triple Strength 35% Phosphatidyl Choline
13 ingredients · Fat/Fatty Acid
Off Market
Licorice Root 450 mg
4 ingredients · Botanical
Off Market
Liposomal Vitamin C
8 ingredients · Vitamin
Off Market
Liquid B-12 B-Complex
20 ingredients · Botanical with Nutrients
Off Market
Liquid Cal-Mag Blueberry Flavor
17 ingredients · Other Combinations
Off Market
Liquid Cal-Mag Lemon Flavor
16 ingredients · Other Combinations
On Market
Liquid Chlorophyll Natural Mint Flavor
9 ingredients · Non-Nutrient/Non-Botanical
Off Market
Liquid Cholorophyll Unflavored
9 ingredients · Mineral
On Market
Liquid CoQ10 Natural Orange Flavor
26 ingredients · Other Combinations
On Market

Shelf peers by catalog size

These are the DSLD-filed brands closest in catalog depth to NOW, which stocks 3,519 labels built mostly from ingredients outside DSLD's named categories. Nearness here means shelf size, not the largest catalogs in the estate.

Compare NOW vs BulkSupplements.com → (Δ 805 labels)

Nationwide brands with similar DSLD catalogs

Two peer sets for NOW: closest on total DSLD filings (3,519 here) and closest on on-market labels (950 here). Rows stay link-disjoint so each axis is a distinct neighborhood, not the largest-catalog strip.

Similar filing count

Nearest other brands by distinct DSLD product filings (floored at ≥50).

Similar on-market count

Nearest other brands by on-market DSLD labels (floored at ≥25), distinct from the filing-count row.

Counts from NIH DSLD label filings; on-market status is shelf presence in the source, not a quality score.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory framework: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: This information is provided for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before starting, stopping, or combining any dietary supplement.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. This page draws directly on the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.