Adding or Editing The Serving Size

Last updated: May 28, 2026

Specifications based on serving size depend on each variant having one set. Add or update a variant's serving size from the Products page.

Prerequisites: A Light Labs account with at least one product and variant configured.

1. Open Products

In the left navigation, click Products.

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2. Open the variant

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Take either path:

  • Search for the variant by name and click its row.

  • Or click into the parent product, find the variant under Variants, and click the pencil icon at the right of its row.

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3. Set the serving size and save

In the Edit Variant dialog, enter the value in Serving Size and pick the unit from the dropdown (for example, Grams (g)). Click Save.

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Outcome

The variant now has a serving size, which unlocks serving-size-based specifications and per-serving unit options when you spec analytes for that variant.