L-protein

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Common questions

Is L-protein healthy?

L-protein scores 82/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This protein supplement contains a variety of beneficial vitamins and minerals, such as Vitamin D, Vitamin A, and zinc, which support overall health and wellness.

How processed is L-protein?

L-protein is NOVA Group 3: Processed Foods.

Which ingredients drive L-protein's score?

In Scout's ingredient-by-ingredient analysis, Zinc oxide, Vitamin B5, Vitamin A count in its favor; Natural flavouring is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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L-protein

Prolon
82 Good

Analysis updated August 2026 · How Scout scores

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At a glance

Beneficial ingredients 29
Harmful ingredients 1
Owned by L-Nutra
Category Protein Powders
Summary

This protein supplement contains a variety of beneficial vitamins and minerals, such as Vitamin D, Vitamin A, and zinc, which support overall health and wellness. The use of pea and chickpea proteins provides a plant-based protein source, and the inclusion of natural sweeteners like steviol glycosides is a positive aspect. However, the presence of 'natural flavouring' without specific disclosure slightly reduces transparency, which can be a concern for those with sensitivities.

Key ingredients 34

Zinc oxide
Good

Zinc oxide is a source of zinc, an essential mineral important for immune function and enzyme activity. It is commonly used in supplements due to its stability and bioavailability. Zinc supports skin health and wound healing.

Risks

Excessive zinc intake can lead to toxicity, causing nausea and immune dysfunction.

Benefits

Zinc is crucial for immune support and cellular metabolism.

See more about Zinc oxide →
Vitamin B5
Good

Vitamin B5, or pantothenic acid, is vital for synthesizing coenzyme A, which is essential for fatty acid metabolism. It is often included in supplements to support energy production. This vitamin also aids in the synthesis of hormones and cholesterol.

Benefits

Supports energy metabolism and hormone synthesis.

See more about Vitamin B5 →
Vitamin A
Good

Vitamin A is essential for vision, immune function, and skin health. Retinyl acetate is a stable form used in supplements. It plays a critical role in maintaining healthy vision and skin integrity.

Risks

Excessive intake can lead to toxicity, causing liver damage and other health issues.

Benefits

Supports vision, immune function, and skin health.

See more about Vitamin A →
Vitamin D
Good

Vitamin D is crucial for calcium absorption and bone health. Cholecalciferol is a highly bioavailable form used in supplements. It also supports immune function and may reduce inflammation.

Risks

Excessive intake can lead to hypercalcemia, causing nausea and kidney issues.

Benefits

Promotes bone health and supports immune function.

See more about Vitamin D →
Cupric citrate
Good

Cupric citrate provides copper, an essential trace mineral important for iron metabolism and neurological function. It is used in supplements for its bioavailability. Copper also supports connective tissue formation.

Risks

Excessive copper intake can lead to toxicity, causing liver damage and gastrointestinal issues.

Benefits

Supports iron metabolism and neurological health.

Vitamin B6
Good

Vitamin B6 is essential for amino acid metabolism and neurotransmitter synthesis. Pyridoxine hydrochloride is a common form used in supplements. It supports brain health and may reduce symptoms of PMS.

Risks

High doses can cause nerve damage over time.

Benefits

Supports brain health and amino acid metabolism.

See more about Vitamin B6 →
Vitamin K
Good

Vitamin K is crucial for blood clotting and bone health. Phylloquinone is the natural form found in plants. It helps maintain bone density and cardiovascular health.

Benefits

Supports blood clotting and bone health.

Vitamin B2
Good

Vitamin B2, or riboflavin, is important for energy production and cellular function. It is used in supplements to support metabolic processes. Riboflavin also acts as an antioxidant.

Benefits

Supports energy production and acts as an antioxidant.

See more about Vitamin B2 →
Vitamin B1
Good

Vitamin B1, or thiamin, is essential for carbohydrate metabolism and nerve function. Thiamin hydrochloride is a stable form used in supplements. It supports energy production and neurological health.

Benefits

Supports energy metabolism and nerve function.

See more about Vitamin B1 →
Sodium molybdate
Good

Sodium molybdate provides molybdenum, a trace mineral important for enzyme function. It is used in supplements for its bioavailability. Molybdenum supports detoxification processes in the body.

Benefits

Supports enzyme function and detoxification.

See more about Sodium molybdate →
Chromium picolinate
Good

Chromium picolinate is a form of chromium that enhances insulin sensitivity and glucose metabolism. It is commonly used in supplements for its potential to support blood sugar control. Chromium also aids in macronutrient metabolism.

Risks

High doses may cause kidney or liver damage.

Benefits

Supports insulin sensitivity and glucose metabolism.

Potassium iodide
Good

Potassium iodide provides iodine, essential for thyroid function and hormone production. It is used in supplements to prevent iodine deficiency. Iodine supports metabolic rate and energy production.

Risks

Excessive iodine intake can lead to thyroid dysfunction.

Benefits

Supports thyroid function and metabolic rate.

See more about Potassium iodide →
Sodium selenite
Good

Sodium selenite provides selenium, an essential trace mineral with antioxidant properties. It is used in supplements for its role in thyroid function and immune support. Selenium also helps protect cells from oxidative damage.

Risks

High doses can lead to selenium toxicity, causing hair loss and gastrointestinal issues.

Benefits

Supports thyroid function and acts as an antioxidant.

Vitamin H
Good

Vitamin H, or biotin, is important for carbohydrate, fat, and protein metabolism. It is used in supplements to support hair, skin, and nail health. Biotin also plays a role in gene regulation.

Benefits

Supports metabolism and hair, skin, and nail health.

Vitamin B12
Good

Vitamin B12 is essential for red blood cell formation and neurological function. Cyanocobalamin is a common form used in supplements. It supports energy production and DNA synthesis.

Benefits

Supports red blood cell formation and neurological health.

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Pea seed proteins
Good

Pea seed proteins are a plant-based protein source rich in essential amino acids. They are used in supplements for their digestibility and hypoallergenic properties. Pea protein supports muscle growth and repair.

Benefits

Rich in essential amino acids and supports muscle growth.

Olive oil
Good

Olive oil is rich in monounsaturated fats and antioxidants, supporting heart health. It is used in supplements for its anti-inflammatory properties. Olive oil also aids in nutrient absorption.

Benefits

Supports heart health and provides anti-inflammatory benefits.

See more about Olive oil →
Date fruit powder
Good

Date fruit powder is a natural sweetener rich in fiber and antioxidants. It is used in supplements for its nutrient density and natural sweetness. Dates support digestive health and provide energy.

Benefits

Rich in fiber and antioxidants, supporting digestive health.

Black bean seed powder
Good

Black bean seed powder is a plant-based protein source rich in fiber and essential nutrients. It is used in supplements for its protein content and digestive benefits. Black beans support heart health and blood sugar regulation.

Benefits

Rich in protein and fiber, supporting heart health.

Chickpea seed proteins
Good

Chickpea seed proteins are a plant-based protein source rich in essential amino acids. They are used in supplements for their digestibility and nutrient profile. Chickpea protein supports muscle growth and satiety.

Benefits

Rich in essential amino acids and supports muscle growth.

L-Methionine
Good

L-Methionine is an essential amino acid important for protein synthesis and detoxification. It is used in supplements to support liver health and metabolism. Methionine also plays a role in the synthesis of other amino acids.

Risks

Excessive intake may lead to elevated homocysteine levels, increasing cardiovascular risk.

Benefits

Supports protein synthesis and liver health.

Vegetable powders mix
Good

Vegetable powders mix provides a variety of phytonutrients and vitamins from vegetables. It is used in supplements for its nutrient density and antioxidant properties. The mix supports overall health and provides a convenient way to increase vegetable intake.

Benefits

Rich in phytonutrients and supports overall health.

Glucomannan
Good

Glucomannan is a dietary fiber derived from the konjac root. It is used in supplements for its ability to promote satiety and support weight management. Glucomannan also aids in digestive health by promoting regularity.

Risks

May cause digestive discomfort if not taken with sufficient water.

Benefits

Promotes satiety and supports digestive health.

Rosemary leaves dry extract
Good

Rosemary leaves dry extract is rich in antioxidants, particularly rosmarinic acid. It is used in supplements for its anti-inflammatory and cognitive support properties. Rosemary may also improve circulation and digestion.

Benefits

Rich in antioxidants and supports cognitive health.

Vitamin C
Good

Vitamin C is a powerful antioxidant that supports immune function and collagen synthesis. L-ascorbic acid is the most common form used in supplements. It also enhances iron absorption and protects against oxidative stress.

Risks

High doses may cause gastrointestinal discomfort.

Benefits

Supports immune function and acts as an antioxidant.

See more about Vitamin C →
Ferrous bisglycinate
Good

Ferrous bisglycinate is a form of iron that is highly bioavailable and gentle on the stomach. It is used in supplements to prevent and treat iron deficiency anemia. Iron is essential for oxygen transport and energy production.

Risks

Excessive iron intake can lead to toxicity, causing gastrointestinal issues and organ damage.

Benefits

Highly bioavailable form of iron supporting oxygen transport.

Vitamin E
Good

Vitamin E is an antioxidant that protects cells from oxidative damage. DL-alpha-tocopheryl acetate is a synthetic form used in supplements. It supports skin health and immune function.

Risks

High doses may increase the risk of bleeding.

Benefits

Protects cells from oxidative damage and supports skin health.

See more about Vitamin E →
Manganese gluconate
Good

Manganese gluconate provides manganese, a trace mineral important for bone health and enzyme function. It is used in supplements for its bioavailability. Manganese also supports metabolism and antioxidant defense.

Risks

Excessive intake can lead to neurological issues.

Benefits

Supports bone health and enzyme function.

Vitamin B3
Good

Vitamin B3, or niacin, is important for energy production and DNA repair. Nicotinamide is a form used in supplements that does not cause flushing. It supports skin health and may improve cholesterol levels.

Risks

High doses may cause liver damage.

Benefits

Supports energy production and skin health.

See more about Vitamin B3 →
Folic acid
Neutral

Standard formulation ingredient — neither beneficial nor harmful at typical use.

Risks

Excessive intake may mask vitamin B12 deficiency.

Benefits

Supports DNA synthesis and cardiovascular health.

See more about Folic acid →
Cocoa bean powder
Neutral

Cocoa bean powder is rich in flavonoids and antioxidants, supporting cardiovascular health. It is used in supplements for its flavor and potential mood-enhancing effects. Cocoa also contains small amounts of caffeine.

Risks

Contains caffeine, which may cause jitteriness in sensitive individuals.

Benefits

Rich in flavonoids and supports cardiovascular health.

Silicon dioxide
Neutral

Silicon dioxide is used as an anti-caking agent in supplements to prevent clumping. It is generally recognized as safe and does not contribute to nutritional value. Silicon dioxide is inert and passes through the body without being absorbed.

See more about Silicon dioxide →
Steviol glycosides from Stevia
Neutral

Steviol glycosides are natural sweeteners derived from the stevia plant. They are used in supplements for their zero-calorie sweetness. Stevia is considered safe and does not affect blood sugar levels.

Benefits

Provides zero-calorie sweetness without affecting blood sugar.

Natural flavouring
Bad

Natural flavouring is a catch-all term that can include a variety of substances, some of which may be highly processed. It is often used to enhance taste without disclosing specific ingredients. The lack of transparency can be concerning for those with allergies or sensitivities.

Risks

Potential allergens or sensitivities due to undisclosed ingredients.

See more about Natural flavouring →

Processing

Group 3 · Processed

Processed Foods

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