amino acid
Serine supplements
Half of the 314 serine supplements in the NIH label database that print an amount list 408 mg or less per serving; the middle half list 100 mg to 1,056 mg (DSLD version 9.4.0, January 2026).
- Products listing it
- 514314 print an amount; 200 list it inside a blend without an amount
- Median per serving
- 408 mgmiddle half 100 mg to 1,056 mg
How much serine do supplements contain?
The median product lists 408 mg per serving. One in ten lists 34.6 mg or less, one in ten 1,404 mg or more. The amount printed most often is 240 mg (11 products).
Products by amount of serine per serving
314 products, log scale; extreme 0.2% at each end left out of the drawing.
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most serine?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- L-Serine UnflavoredCalifornia Gold Nutrition10,000 mg
- L-Serine Powder UnflavoredLake Avenue Nutrition10,000 mg
- 100% Whey Protein ApfelstrudelBody Attack Sports Nutrition4,260 mg
- MEM FoodCalifornia Gold Nutrition4,200 mg
- MemFoodCalifornia Gold Nutrition4,200 mg
- MRP ChocolatePure Advantage2,058 mg
- MRP VanillaPure Advantage2,058 mg
- L-Serine 2000 mgDouble Wood Supplements2,000 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2012 list a median of 875 mg; those entered in 2021, 132.5 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2012 | 35 | 875 mg |
| 2013 | 45 | 240 mg |
| 2014 | 22 | 1,102 mg |
| 2020 | 36 | 566 mg |
| 2021 | 22 | 132.5 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing serine by DSLD product type
Brands listing it most: Douglas Laboratories (19), Metabolic Nutrition (10), Bronson (9), Integrative Therapeutics (8), Natural Factors VegiDay (8), Allergy Research Group (7), Universal (7), California Academy of Health (6), Precision Engineered (6), Prolab (6).
Every product listing serine
514 products, A to Z by name (page 11 of 11), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Whey Protein Gold Isolate Plus Natural Chocolate FlavorCalifornia Academy of Health1,491 mg
- Whey Protein Gold Isolate Plus Natural VanillaCalifornia Academy of Health · off the market1,391 mg
- Whey Protein Gold Isolate Plus Natural Vanilla FlavorCalifornia Academy of Health1,449 mg
- Whey Protein Gold Isolate Plus VanillaCalifornia Academy of Health · off the market1,449 mg
- Whey Protein Isolate ChocolateBioSteel1,058 mg
- Whey Protein Isolate VanillaBioSteel1,058 mg
- Whey Protein Powder Blend Chocolate Peanut ButterMeijer1,560 mg
- Whey Protein Vanilla Peanut ButterHTLT1,197 mg
- Whey To Go Natural Strawberry FlavorSolgar · off the market891 mg
- Whole Body Cleanse BerryAnutra Grain108 mg
- Women's Multi-VitaminTropical Oasisin a blend
- X-30 PlusHCG Platinum Brand · off the marketin a blend
- Xeno Amino Sour BerriesGlaxonin a blend
- Zeolite Enhanced With DHQGet Healthy Againin a blend