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Label check

Protoflow Gelatin and Soy: What the Other Ingredients Mean

Quick answer

Protoflow lists gelatin, the capsule shell, and soy protein concentrate under other ingredients. Gelatin is an animal product. Soy is one of the nine major food allergens, so anyone with a soy allergy should ask a clinician before using it. The label does not say which animal the gelatin comes from.

Written by the Protoflow label deskUpdated · 3 min read

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Brand render of the bottle with three of its plants. It shows packaging, not the capsule contents.

The list01

What are the other ingredients in Protoflow?

Seven items: rice flour, gelatin, magnesium stearate, silicon dioxide, maltodextrin, soy protein concentrate and water (Protoflow bottle label).

Most are helpers. Rice flour and maltodextrin bulk up the powder, magnesium stearate and silicon dioxide keep it flowing, and gelatin forms the shell. Soy protein concentrate is the odd one out, because it is a food protein, not a flow agent.

Two flags02

Who should think twice about gelatin or soy?

Vegans and vegetarians for gelatin, and anyone allergic to soy for the concentrate.

Who each line matters to
IngredientWhat it isMatters to
GelatinAnimal-derived capsule shellVegans, vegetarians, some religious diets
Soy protein concentrateProtein from soybeansPeople with soy allergy

The label does not name the animal behind the gelatin. A buyer who follows a halal, kosher or other rule must ask the order desk, because no certificate is printed.

Soy03

Is the soy in Protoflow a risk for allergy?

It can be. Soybeans are on FDA's list of major allergens, and the source must appear on a label (FDA, Food Allergies).

Soy allergy

A concentrate is made of soy protein, the part that triggers allergy. The label does not state how much is in each capsule. Ask an allergist before use, and stop and seek care for hives, swelling or trouble breathing.

Soy lecithin, soy oil and soy protein are not the same thing, so do not assume a past reaction tells you how you would react here.

Protoflow: from $49 a bottle60 capsules · 2, 3 or 6 bottles · free US shipping on 3 or 6 · 60-day guarantee

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Next04

How do you check before you buy?

Read the panel, then call the desk with the question that matters to you.

  • Save a photo of the other ingredients line for your clinician
  • Ask the desk at +1 (302) 200-3480 about the gelatin source
  • Compare with the sales page's "Non-GMO, vegan and gluten-free" words, which the label does not back

The vegan question has its own post: is Protoflow vegan. Everything else is on the ingredients page.

FAQ05

Protoflow gelatin and soy questions

Is the gelatin in Protoflow from pork or beef?

The label does not say. Ask the order desk, and treat the capsule as unsuitable if your diet needs a certified source (Protoflow bottle label).

Can a person with a mild soy sensitivity take Protoflow?

Ask an allergist. The concentrate is soy protein, and the label gives no amount per capsule.

Does soy protein concentrate act like a hormone?

This site found no source linking the concentrate in a capsule to a hormone effect, so it makes no such claim.

Does the label print a Contains: soy line?

We read soy protein concentrate in the other ingredients list, which names the source in the list itself. We did not find a separate allergen line (FDA, Food Allergies).

Who wrote this06

Written and reviewed by

Written byThe Protoflow label deskMyprotoflow, USA Authorized Protoflow Retailer

Pages built from the label, the brand pages and linked NIH, FDA, FTC, NICE and peer-reviewed sources.

Medically reviewed byGriffin Morrisson, PhysicianRole: Medical reviewerReview date: October 19, 2026

Last updated . See our editorial standards and how we check reviews. This website is run by a USA authorized Protoflow retailer, not by the manufacturer or distributor, PhytoThrive Labs. We make money when you buy through our order links.

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