PlainVitamins

Meta-Syn

by Loomis Enzymes · capsule · 180 capsules

  • On the market (NIH)
  • UPC 6 97706 05070 7
  • DSLD label 306294
  • Serving 2 capsules
  • 90 servings

Meta-Syn by Loomis Enzymes lists 21 ingredients, 13 with an amount per serving of 2 capsules, such as 64 mg of calcium, 20 mg of magnesium, 180 mg of fenugreek and 120 mg of chlorella; 8 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2024.

What is in Meta-Syn?

Each row as the label prints it, per serving of 2 capsules. 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).

Meta-Syn: Supplement Facts rows against the market (DSLD label 306294, January 2026 release)
IngredientAmount% DVAmong products listing it
Calciumas Calcium Citrate64 mg5%Calcium in Meta-Syn against 17,831 products64 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg64 mg

67% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 192 mg.

Magnesiumas Magnesium Bisglycinate Chelate, Magnesium Oxide20 mg5%Magnesium in Meta-Syn against 14,003 products20 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg20 mg

83% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 60 mg.

Fenugreek180 mgFenugreek in Meta-Syn against 628 products180 mg per serving; the middle half of products list 100 mg to 600 mg, the median 300 mg.180 mg

67% of 628 products listing fenugreek give more (median 300 mg). Per day at the most servings: 540 mg.

Chlorellaas Chlorella pyrenoidosa120 mgChlorella in Meta-Syn against 526 products120 mg per serving; the middle half of products list 92.5 mg to 1,000 mg, the median 300 mg.120 mg

64% of 526 products listing chlorella give more (median 300 mg). Per day at the most servings: 360 mg.

Spirulinaas Arthrospira platensis100 mgBlue-Green Algae in Meta-Syn against 709 products100 mg per serving; the middle half of products list 100 mg to 1,000 mg, the median 500 mg.100 mg

71% of 709 products listing blue-green algae give more (median 500 mg). Per day at the most servings: 300 mg.

Yeastas Saccharomyces cerevisiaevegetarian yeast50 mg
Eleutheroas Eleutherococcus senticosus40 mgEleuthero in Meta-Syn against 726 products40 mg per serving; the middle half of products list 50 mg to 200 mg, the median 100 mg.40 mg

81% of 726 products listing eleuthero give more (median 100 mg). Per day at the most servings: 120 mg.

Irish Moss40 mgIrish Moss in Meta-Syn against 91 products40 mg per serving; the middle half of products list 275 mg to 1,000 mg, the median 500 mg.40 mg

93% of 91 products listing irish moss give more (median 500 mg). Per day at the most servings: 120 mg.

Gotu Kola aerial extract4:130 mgGotu Kola in Meta-Syn against 393 products30 mg per serving; the middle half of products list 50 mg to 225 mg, the median 100 mg.30 mg

84% of 393 products listing gotu kola give more (median 100 mg). Per day at the most servings: 90 mg.

Kelpas Ascophyllum nodosum30 mgKelp in Meta-Syn against 333 products30 mg per serving; the middle half of products list 20 mg to 100 mg, the median 50 mg.30 mg

68% of 333 products listing kelp give more (median 50 mg). Per day at the most servings: 90 mg.

Rose Hipas Rosa canina30 mgDog Rose in Meta-Syn against 397 products30 mg per serving; the middle half of products list 10 mg to 65 mg, the median 25 mg.30 mg

Higher than 56% of 397 products listing dog rose (median 25 mg). Per day at the most servings: 90 mg.

Ginkgoas Ginkgo biloba20 mgGinkgo in Meta-Syn against 1,339 products20 mg per serving; the middle half of products list 30 mg to 120 mg, the median 60 mg.20 mg

83% of 1,339 products listing ginkgo give more (median 60 mg). Per day at the most servings: 60 mg.

Wild Yamas Dioscorea villosa10 mgWild Yam in Meta-Syn against 214 products10 mg per serving; the middle half of products list 15 mg to 215 mg, the median 50 mg.10 mg

90% of 214 products listing wild yam give more (median 50 mg). Per day at the most servings: 30 mg.

Proprietary Enzyme Blend156 mg
Protease2 sourcesin the blend, no amount given
Amylasein the blend, no amount given
Lipase3 sourcesin the blend, no amount given
Cellulasein the blend, no amount given
Invertasein the blend, no amount given
Glucoamylasein the blend, no amount given
Hemicellulasein the blend, no amount given
Alpha-Galactosidasein the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 306294 (entered November 22, 2024), 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:

  • 93% of the 91 products that print an amount of irish moss list more than its 40 mg of irish moss (median 500 mg).
  • 90% of the 214 products that print an amount of wild yam list more than its 10 mg of wild yam (median 50 mg).

The NIH database records 3 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 Meta-Syn's, rare ingredients counting for more.

  • AdrLoomis Enzymes 14 shared, 71% alike
  • ThyLoomis Enzymes 13 shared, 58% alike
  • T9 To T10 AdrChiro-Zyme 12 shared, 50% alike
  • C8 To T1 ThyChiro-Zyme 12 shared, 49% alike
  • Thy C8 To T1Thera-Zyme 12 shared, 49% alike
  • PttngrLoomis Enzymes 13 shared, 46% alike

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 for use: Take 2 capsules, 3 times daily with meals or as directed.
Warnings
Keep out of reach of children
Note: Consult your physician before using this product if you are pregnant, nursing, taking medication, or have a medical condition.
Do not use if inner or outer seal is broken, torn, or missing.
May contain traces of shellfish or fish from ocean products, kelp and Irish moss.
Storage
To ensure freshness and potency, keep bottle tightly closed and store in a cool, dry place.

Source: label statements in DSLD label 306294.

What else is on the label?

Other ingredients: Cellulose, Water, Phytase.

How many labels does Meta-Syn have?

3 labels are on file under this name since June 25, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 306294 (current) Entered November 22, 2024 · on the market · 180 capsules · UPC 6 97706 05070 7
  2. Label 246609 Entered April 22, 2021 · off the market January 25, 2023 · 180 capsules · UPC 6 97706 05070 7
  3. Label 177607 Entered June 25, 2018 · off the market February 23, 2021 · 180 capsules · UPC 6 97706 05070 7

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

Who makes it?

The label names Loomis Enzymes, LLC (distributor), Fitchburg, Wisconsin. All Loomis Enzymes products.

Where next?