Soy protein isolate Nutrition Facts & Health Impact

Nutrition Facts

Serving Size: 100g

Calories1401

Total Fat3.4g

Saturated Fat0.0g

Total Carbs0.0g

Fiber0.0g

Sugars0.0g

Protein88.3g

Macro Breakdown

Protein88.3g (92%)

Carbs0.0g (0%)

Fat3.4g (8%)

Health Scores (0-10)

10.0

Metabolic

4.9

Inflammation

10.0

Hormonal

5.0

Gut Health

6.6

Skin Health

4.9

Brain Health

10.0

Bone Health

8.9

Sleep

10.0

Exercise

5.0

Longevity

5.3

Detox

6.9

Immunity

7.2

Pral

10.0

Satiety

0.0

Nutrient Density

5.0

Bioavailability

0.2

Electrolyte

8.5

Methylation

🧬 How Soy protein isolate Affects Your Health

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Testosterone 37% DV

Zinc (undefined% DV) supports testosterone production. It's a cofactor for 5α-reductase and inhibits aromatase.

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Cortisol & Stress 9% DV

Magnesium (undefined% DV) calms the nervous system. It blocks NMDA receptors and reduces stress-induced cortisol spikes.

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Cortisol 6% DV

Vitamin B6 (undefined% DV) helps produce serotonin and GABA — calming neurotransmitters that counter cortisol.

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Thyroid 1% DV

Selenium (undefined% DV) converts T4 to active T3. Essential for thyroid function.

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Anemia

iron + folate. Iron-deficiency is the most common nutritional deficiency. Vitamin C increases non-heme iron absorpt.

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Athletic Performance

protein + iron. Protein for MPS. Iron for O2 transport. B12 for RBC production. Nitrates→NO→vasodilation. Electrolyt.

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Iron 81% DV

81% DV. Supports red blood cells and oxygen transport. Low iron = fatigue, brain fog.

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Magnesium 9% DV

9% DV. Calms nerves, relaxes muscles, supports sleep.

Complete Nutrient Profile

Nutrient	Amount / 100g	% Daily Value
Energy Kcal	1401.0 kJ	—
Protein	88.3 g	177% DV
Total Fat	3.4 g	4% DV
Sodium	1005.0 mg	44% DV
Calcium	178.0 mg	14% DV
Iron	14.5 mg	81% DV
Magnesium	39.0 mg	9% DV
Phosphorus	776.0 mg	62% DV
Potassium	81.0 mg	2% DV
Zinc	4.0 mg	37% DV
Vitamin B6	0.1 mg	6% DV
Folate	176.0 µg	44% DV
Selenium	0.8 µg	1% DV

Compare Soy protein isolate With...

Babyfood, green beans, dices, toddler
123 cal Babyfood, peas, dices, toddler
268 cal Beans, adzuki, mature seed, cooked, boiled
536 cal Beans, adzuki, mature seeds
992 cal Beans, adzuki, mature seeds, cooked, boiled
536 cal

Frequently Asked Questions

Is Soy protein isolate a good protein source?

Yes. Soy protein isolate provides 88.32g of protein per 100g — that's 177% of the daily value. As a plant protein, combine with complementary sources (grains, nuts) for complete amino acid profile.

Does Soy protein isolate affect hormones?

Yes — Soy protein isolate is rich in zinc (37% DV), which Cofactor for 5α-reductase (T→DHT). Required for androgen receptor function. Inhibits aromatase (T→estradiol).. zinc supports Testosterone and DHT production.

Does Soy protein isolate contain anti-nutrients?

Phytates (reduce zinc, iron, calcium absorption 20-60%). Lectins (can irritate gut lining — destroyed by proper cooking). Soaking 12-24h reduces phytates 30-50%. Cooking destroys lectins and protease inhibitors. Fermentation (tempeh, miso) reduces all anti-nutrients. Sprouting increases nutrient bioavailability. Benefits (fiber, protein, minerals) far outweigh anti-nutrient concerns for most people.

How filling is Soy protein isolate?

Soy protein isolate has a satiety score of 10.0/10. The 88.32g protein stimulates PYY (satiety hormone). This makes it effective for appetite control between meals.