PlainVitamins

Optimal Amino Blend

by Seeking Health · capsule · 150 Vegetarian Capsules

  • On the market (NIH)
  • UPC 8 28054 15610 4
  • DSLD label 210883
  • Serving 1 capsule
  • 150 servings

Optimal Amino Blend by Seeking Health lists 20 ingredients, 20 with an amount per serving of 1 capsule, such as 55 mg of glycine, 48 mg of L-leucine, 42 mg of L-valine and 40 mg of L-glutamic acid. Its current label entered the NIH Dietary Supplement Label Database on January 25, 2020.

What is in Optimal Amino Blend?

Each row as the label prints it, per serving of 1 capsule. 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).

Optimal Amino Blend: Supplement Facts rows against the market (DSLD label 210883, January 2026 release)
IngredientAmount% DVAmong products listing it
Glycine55 mgGlycine in Optimal Amino Blend against 1,078 products55 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.55 mg

79% of 1,078 products listing glycine give more (median 300 mg). Per day at the most servings: 330 mg.

L-Leucine48 mgLeucine in Optimal Amino Blend against 2,056 products0.048 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.0.048 g

96% of 2,056 products listing leucine give more (median 2.5 g). Per day at the most servings: 0.288 g.

L-Valine42 mgValine in Optimal Amino Blend against 1,632 products0.042 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.0.042 g

97% of 1,632 products listing valine give more (median 1.25 g). Per day at the most servings: 0.252 g.

L-Glutamic Acid40 mgGlutamic Acid in Optimal Amino Blend against 697 products40 mg per serving; the middle half of products list 25 mg to 364 mg, the median 80 mg.40 mg

63% of 697 products listing glutamic acid give more (median 80 mg). Per day at the most servings: 240 mg.

L-Lysine28 mgLysine in Optimal Amino Blend against 1,250 products28 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.28 mg

94% of 1,250 products listing lysine give more (median 500 mg). Per day at the most servings: 168 mg.

L-Isoleucine36 mgIsoleucine in Optimal Amino Blend against 1,614 products0.036 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.0.036 g

97% of 1,614 products listing isoleucine give more (median 1.23 g). Per day at the most servings: 0.216 g.

L-Cysteine26 mgCysteine in Optimal Amino Blend against 516 products26 mg per serving; the middle half of products list 30 mg to 200 mg, the median 85 mg.26 mg

76% of 516 products listing cysteine give more (median 85 mg). Per day at the most servings: 156 mg.

L-Alanine35 mgAlanine in Optimal Amino Blend against 475 products35 mg per serving; the middle half of products list 100 mg to 972 mg, the median 483 mg.35 mg

89% of 475 products listing alanine give more (median 483 mg). Per day at the most servings: 210 mg.

L-Tyrosine34 mgTyrosine in Optimal Amino Blend against 1,680 products34 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.34 mg

93% of 1,680 products listing tyrosine give more (median 500 mg). Per day at the most servings: 204 mg.

L-Serine30 mgSerine in Optimal Amino Blend against 314 products30 mg per serving; the middle half of products list 100 mg to 1,056 mg, the median 408 mg.30 mg

90% of 314 products listing serine give more (median 408 mg). Per day at the most servings: 180 mg.

L-Phenylalanine24 mgPhenylalanine in Optimal Amino Blend against 611 products24 mg per serving; the middle half of products list 100 mg to 597.5 mg, the median 250 mg.24 mg

93% of 611 products listing phenylalanine give more (median 250 mg). Per day at the most servings: 144 mg.

L-Threonine24 mgTHREONINE in Optimal Amino Blend against 590 products24 mg per serving; the middle half of products list 140 mg to 886.25 mg, the median 500 mg.24 mg

94% of 590 products listing THREONINE give more (median 500 mg). Per day at the most servings: 144 mg.

L-Proline21 mgProline in Optimal Amino Blend against 387 products21 mg per serving; the middle half of products list 100 mg to 1,289 mg, the median 487.5 mg.21 mg

95% of 387 products listing proline give more (median 487.5 mg). Per day at the most servings: 126 mg.

L-Histidine14 mgHistidine in Optimal Amino Blend against 591 products14 mg per serving; the middle half of products list 50 mg to 402.8 mg, the median 125 mg.14 mg

90% of 591 products listing histidine give more (median 125 mg). Per day at the most servings: 84 mg.

Taurine20 mgTaurine in Optimal Amino Blend against 2,337 products20 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.20 mg

97% of 2,337 products listing taurine give more (median 500 mg). Per day at the most servings: 120 mg.

L-Arginine18 mgArginine in Optimal Amino Blend against 1,455 products18 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.18 mg

97% of 1,455 products listing arginine give more (median 500 mg). Per day at the most servings: 108 mg.

L-Aspartic Acid15 mgAspartic Acid in Optimal Amino Blend against 377 products15 mg per serving; the middle half of products list 106 mg to 1,846 mg, the median 337 mg.15 mg

96% of 377 products listing aspartic acid give more (median 337 mg). Per day at the most servings: 90 mg.

L-Methionine15 mgMETHIONINE in Optimal Amino Blend against 981 products15 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.15 mg

85% of 981 products listing METHIONINE give more (median 100 mg). Per day at the most servings: 90 mg.

L-Glutamine12 mgGlutamine in Optimal Amino Blend against 1,850 products0.012 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.012 g

98% of 1,850 products listing glutamine give more (median 1 g). Per day at the most servings: 0.072 g.

L-Asparagine4 mg

Source: NIH ODS Dietary Supplement Label Database, label 210883 (entered January 25, 2020), version 9.4.0. See the label on DSLD. 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:

  • 96% of the 2,056 products that print an amount of leucine list more than its 0.048 g of L-leucine (filed by NIH under leucine) (median 2.5 g).
  • 97% of the 1,632 products that print an amount of valine list more than its 0.042 g of L-valine (filed by NIH under valine) (median 1.25 g).
  • 94% of the 1,250 products that print an amount of lysine list more than its 28 mg of L-lysine (filed by NIH under lysine) (median 500 mg).
  • 97% of the 1,614 products that print an amount of isoleucine list more than its 0.036 g of L-isoleucine (filed by NIH under isoleucine) (median 1.23 g).
  • 93% of the 1,680 products that print an amount of tyrosine list more than its 34 mg of L-tyrosine (filed by NIH under tyrosine) (median 500 mg).
  • 90% of the 314 products that print an amount of serine list more than its 30 mg of L-serine (filed by NIH under serine) (median 408 mg).

The NIH database records 1 to 6 servings 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?

1 product lists the very same ingredients; the nearest amounts come first.

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: 1 capsule without food, 1 to 6 times daily or as directed by your healthcare professional.
Warnings
Children and pregnant or lactating women should consult their healthcare professional prior to use.
Do not use if shrinkwrap is broken or missing.
Keep out of reach of children.
Allergens and what it does not contain
Does Not Contain: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, and soybeans. Contains no artificial colors, flavors or preservatives.
Storage
Storage: Store in a cool, dry place below 85 degrees F away from direct light. Do not freeze.

Source: label statements in DSLD label 210883.

What else is on the label?

Other ingredients: Vegetarian Capsule.

How many labels does Optimal Amino Blend have?

2 labels are on file under this name since March 23, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 210883 (current) Entered January 25, 2020 · on the market · 150 Vegetarian Capsules · UPC 8 28054 15610 4
  2. Label 174587 Entered March 23, 2018 · off the market March 4, 2019 · 150 vegetarian capsules · UPC 8 28054 15610 4

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

Who makes it?

The label names Seeking Health, LLC (distributor), Bellingham, WA. All Seeking Health products.

Where next?