PlainVitamins

Hydros

by Synchro · liquid · 8 fluid ounces

  • On the market (NIH)
  • UPC 1 96852 36089 5
  • DSLD label 336403
  • Serving 2.5 ml (about 40 drops)
  • 96 servings

Hydros by Synchro lists 6 ingredients, 3 with an amount per serving of 2.5 ml, such as 65 mg of magnesium, 488 mg of chloride and 129 mg of potassium; 3 sit inside a blend without their own amounts, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.

What is in Hydros?

Each row as the label prints it, per serving of 2.5 ml. 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).

Hydros: Supplement Facts rows against the market (DSLD label 336403, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesium65 mg15%Magnesium in Hydros against 14,003 products65 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg65 mg

55% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 130 mg.

Chloride488 mg21%Chloride in Hydros against 1,476 products488 mg per serving; the middle half of products list 60 mg to 183.5 mg, the median 75 mg.DV 2,300 mgUL 3,600 mg488 mg

Higher than 93% of 1,476 products listing chloride (median 75 mg). Per day at the most servings: 976 mg.

Sodium120 mg5%Sodium in Hydros against 14,514 products120 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.120 mg

Higher than 69% of 14,514 products listing sodium (median 55 mg). Per day at the most servings: 240 mg.

Potassium129 mg3%Potassium in Hydros against 11,614 products129 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg129 mg

Higher than 62% of 11,614 products listing potassium (median 99 mg). Per day at the most servings: 258 mg.

Concentrated Sea Waterfrom pristine inland seasno amount given
Water, Purifiedno amount given
Potassium Chlorideno amount given

Source: NIH ODS Dietary Supplement Label Database, label 336403 (entered July 24, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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:

  • Its 488 mg of chloride is higher than 93% of the 1,476 chloride products that print an amount; 103 list more.

The NIH database records 1 to 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?

The products whose ingredient lists overlap most with Hydros's, rare ingredients counting for more.

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
Directions Add 40 drops (0.5 Tsp) of Hydros per 1 liter of water. To adequately replenish trace minerals and electrolytes, we recommend consuming a minimum of 2 liters of water remineralized with Hydros, per day.

Source: label statements in DSLD label 336403.

How many labels does Hydros have?

One label is on file, entered on July 24, 2025.

  1. Label 336403 (current) Entered July 24, 2025 · on the market · 8 fluid ounces · UPC 1 96852 36089 5

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

Who makes it?

The label names Synchro (manufacturer), St. Petersburg, FL. All Synchro products.

Where next?