Nature s Plus Spiru-Tein (Spirutein) Shake - Vanilla 1.06 lbs Powder
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This protein powder features a blend of plant-based proteins, including pea and rice protein, which provide a balanced amino acid profile and are minimally processed. It includes beneficial ingredients like bromelain and papaya for digestive support, and essential vitamins and minerals. However, the presence of soy protein, which is often highly processed and less complete than animal proteins, slightly detracts from its overall quality.
Key ingredients 15
Rice ProteinGood
Rice protein is a 'good' plant-based protein source that complements pea protein to provide a complete amino acid profile. It is hypoallergenic and suitable for those with dietary restrictions. It is less processed than many other protein sources.
Benefits
Provides essential amino acids and is easily digestible.
BromelainGood
Bromelain is a 'good' enzyme derived from pineapples that aids in digestion and has anti-inflammatory properties. It is often used to support digestive health and reduce inflammation. It is a natural ingredient with minimal processing.
Risks
May cause allergic reactions in sensitive individuals.
Benefits
Supports digestion and has anti-inflammatory effects.
PapayaGood
Papaya is a 'good' fruit ingredient known for its digestive enzyme, papain, which aids in protein digestion. It is rich in vitamins and antioxidants, supporting overall health. It is a natural, minimally processed ingredient.
Benefits
Rich in vitamins and supports digestive health.
ChlorophyllinGood
Chlorophyllin is a 'good' derivative of chlorophyll that may help detoxify the body and support liver health. It is used for its potential antioxidant and anti-inflammatory properties. It is a natural compound with health-promoting benefits.
Benefits
May support detoxification and liver health.
BiotinGood
Biotin is a 'good' B-vitamin essential for energy metabolism and maintaining healthy hair, skin, and nails. It is a vital nutrient that supports various bodily functions. It is included in supplements to enhance nutritional value.
Benefits
Supports energy metabolism and promotes healthy hair, skin, and nails.
Pantothenic AcidGood
Pantothenic acid, or vitamin B5, is a 'good' nutrient that plays a crucial role in energy production and synthesizing coenzyme A. It supports adrenal function and helps manage stress. It is an essential vitamin included for its health benefits.
Benefits
Supports energy production and adrenal health.
PhosphorusGood
Phosphorus is a 'good' mineral essential for bone health and energy production. It is a critical component of ATP, the energy currency of cells. It is included in supplements to support overall health and well-being.
Risks
Excessive intake may lead to imbalances in calcium and phosphorus levels.
Benefits
Supports bone health and energy metabolism.
IodineGood
Iodine is a 'good' trace mineral essential for thyroid function and hormone production. It supports metabolic rate and energy levels. It is included in supplements to prevent iodine deficiency and support thyroid health.
Risks
Excessive intake may lead to thyroid dysfunction.
Benefits
Essential for thyroid health and hormone production.
MagnesiumGood
Magnesium is a 'good' mineral involved in over 300 enzymatic reactions in the body, including energy production and muscle function. It supports cardiovascular health and bone strength. It is a vital nutrient included for its broad health benefits.
Risks
Excessive intake may cause gastrointestinal issues.
Benefits
Supports muscle function, energy production, and bone health.
ChromiumGood
Chromium is a 'good' trace mineral that enhances insulin action and supports glucose metabolism. It may help regulate blood sugar levels and improve insulin sensitivity. It is included in supplements for its potential metabolic benefits.
Benefits
Supports glucose metabolism and insulin sensitivity.
MolybdenumGood
Molybdenum is a 'good' trace mineral that acts as a cofactor for enzymes involved in detoxification and metabolism. It supports the breakdown of sulfites and purines. It is included in supplements for its essential role in enzymatic reactions.
Benefits
Supports detoxification and enzymatic reactions.
CholineGood
Choline is a 'good' nutrient essential for brain health and neurotransmitter synthesis. It supports cognitive function and liver health. It is included in supplements to enhance cognitive performance and support overall health.
Benefits
Supports brain health and cognitive function.
InositolGood
Inositol is a 'good' compound that supports cellular health and neurotransmitter function. It may help improve mood and support metabolic health. It is included in supplements for its potential benefits in mental health and metabolism.
Benefits
Supports mental health and cellular function.
Pea ProteinNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Benefits
Rich in essential amino acids and supports muscle growth and repair.
Soy ProteinBad
Soy protein is classified as 'bad' due to its poorer amino acid profile compared to animal-based proteins. It is often highly processed and may contain anti-nutrients that affect protein absorption. Despite being a plant-based protein source, it is not as complete as animal proteins.
Risks
May contain anti-nutrients and is less bioavailable compared to animal proteins.
Benefits
Provides a plant-based protein option for those avoiding animal products.
Processing
Processed Culinary Ingredients
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