PlainVitamins

SynaQuell+

by Thorne PreCon Health · powder · 16.72 ounces

  • Off the market since June 2022 (NIH)
  • UPC 6 93749 01216 0
  • DSLD label 251880
  • Serving 7 g (One Scoop)
  • 30 servings

SynaQuell+ by Thorne PreCon Health lists 11 ingredients, 11 with an amount per serving of 7 g, such as 25 mg of riboflavin, 59 mg of magnesium, 1.25 g of L-leucine and 625 mg of L-isoleucine, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on July 27, 2021.

What is in SynaQuell+?

Each row as the label prints it, per serving of 7 g. 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).

SynaQuell+: Supplement Facts rows against the market (DSLD label 251880, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories23 Calories
Total Carbohydrates1 g1%Carbohydrate in SynaQuell+ against 21,979 products1 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1 g

74% of 21,979 products listing carbohydrate give more (median 3 g). Per day at the most servings: 2 g.

Riboflavinas Riboflavin 5'-Phosphate Sodium25 mg1,923%Riboflavin in SynaQuell+ against 9,824 products25 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg25 mg

Higher than 75% of 9,824 products listing riboflavin (median 4 mg). Per day at the most servings: 50 mg.

Magnesiumas Magnesium Beta Hydroxybutyrate59 mg14%Magnesium in SynaQuell+ against 14,003 products59 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg59 mg

58% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 118 mg.

L-Leucine1.25 gLeucine in SynaQuell+ against 2,056 products1.25 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.1.25 g

69% of 2,056 products listing leucine give more (median 2.5 g). Per day at the most servings: 2.5 g.

L-Isoleucine625 mgIsoleucine in SynaQuell+ against 1,614 products0.625 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.0.625 g

70% of 1,614 products listing isoleucine give more (median 1.23 g). Per day at the most servings: 1.25 g.

L-Valine625 mgValine in SynaQuell+ against 1,632 products0.625 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.0.625 g

69% of 1,632 products listing valine give more (median 1.25 g). Per day at the most servings: 1.25 g.

Beta Hydroxybutyrateas Magnesium Beta Hydroxybutyrate500 mgBeta Hydroxybutyrate in SynaQuell+ against 79 products0.5 g per serving; the middle half of products list 1.68 g to 11.7 g, the median 6 g.0.5 g

86% of 79 products listing beta hydroxybutyrate give more (median 6 g). Per day at the most servings: 1 g.

N-Acetyl-L-Cysteine300 mgN-Acetyl Cysteine in SynaQuell+ against 1,259 products300 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.300 mg

Higher than 67% of 1,259 products listing N-acetyl cysteine (median 150 mg). Per day at the most servings: 600 mg.

Glutathione250 mgGlutathione in SynaQuell+ against 717 products250 mg per serving; the middle half of products list 10 mg to 200 mg, the median 50 mg.250 mg

Higher than 76% of 717 products listing glutathione (median 50 mg). Per day at the most servings: 500 mg.

Trans-Resveratrol125 mgResveratrol in SynaQuell+ against 1,123 products125 mg per serving; the middle half of products list 20 mg to 125 mg, the median 50 mg.125 mg

Higher than 73% of 1,123 products listing resveratrol (median 50 mg). Per day at the most servings: 250 mg.

Curcumin Phytosomeas Curcuma longa extract, Phospholipid complex125 mgCurcumin in SynaQuell+ against 550 products125 mg per serving; the middle half of products list 50 mg to 400 mg, the median 200 mg.125 mg

55% of 550 products listing curcumin give more (median 200 mg). Per day at the most servings: 250 mg.

Docosahexaenoic Acidas Algal Oil125 mgDHA in SynaQuell+ against 3,627 products125 mg per serving; the middle half of products list 104 mg to 400 mg, the median 232 mg.125 mg

69% of 3,627 products listing DHA give more (median 232 mg). Per day at the most servings: 250 mg.

Source: NIH ODS Dietary Supplement Label Database, label 251880 (entered July 27, 2021), 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:

  • 86% of the 79 products that print an amount of beta hydroxybutyrate list more than its 0.5 g of beta hydroxybutyrate (median 6 g).

The NIH database records 2 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: Mix 1 scoop with at least 8 ounces of water two times daily or as recommended by your health-care practitioner. Tamper evident: use only if bottle is sealed.
Warnings
Warning: If pregnant or nursing, do not use this product.
Warning for California Residents Only: Consuming this product can expose you to chemicals, including lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food. See also www.thorne.com/prop-65.
Allergens and what it does not contain
Gluten free
Storage
Store tightly sealed in a cool, dry place.

Source: label statements in DSLD label 251880.

What else is on the label?

Other ingredients: Flavors, Citric Acid, Carboxymethylcellulose Gum, Stevia extract.

How many labels does SynaQuell+ have?

One label is on file, entered on July 27, 2021.

  1. Label 251880 (current) Entered July 27, 2021 · off the market June 21, 2022 · 16.72 ounces · UPC 6 93749 01216 0

DSLD also links this label to: SynaQuell + (image difference, same product), SynaQuell + (image difference, same product), SynaQuell + (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 Thorne Research, Inc. (manufacturer). All Thorne PreCon Health products.

Where next?