Beef, flank, steak, separable lean only, trimmed to 0" fat, select

fruits

USDA name: Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw

GI: 0 (Low)
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571 cal
P:21gC:0gF:5g
Nutrition Facts
Serving Size: 100g

Calories571

Total Fat5.0g

Saturated Fat0.0g

Total Carbs0.0g

Fiber0.0g

Sugars0.0g

Protein21.4g

Macro Breakdown

Protein21.4g (66%)
Carbs0.0g (0%)
Fat5.0g (34%)

Glycemic Impact

Glycemic Index0 (Low)
Glycemic Load0
Insulin Index51

Health Scores (0-10)

10.0
Metabolic
4.4
Inflammation
10.0
Hormonal
5.0
Gut Health
6.5
Skin Health
4.6
Brain Health
8.6
Bone Health
7.4
Sleep
10.0
Exercise
5.0
Longevity
10.0
Detox
10.0
Immunity
7.1
Pral
6.9
Satiety
0.0
Nutrient Density
5.0
Bioavailability
10.0
Electrolyte
5.3
Methylation

🧬 How Beef, flank, steak, separable lean only, trimmed to 0" fat, select Affects Your Health

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Testosterone 35% DV

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

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Cortisol & Stress 5% DV

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

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Cortisol 36% DV

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

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Thyroid 54% DV

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

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Hypothyroid

selenium + zinc. Thyroid hormone synthesis requires iodine + tyrosine for T4 structure, selenium for T4→T3 conversion.

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Testosterone Low

zinc + magnesium. Zinc for 5α-reductase and aromatase inhibition. Mg reduces SHBG. D3 activates Leydig cells. Boron si.

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Iron 9% DV

9% DV. Supports red blood cells and oxygen transport. Low iron = fatigue, brain fog.

Magnesium 5% DV

5% DV. Calms nerves, relaxes muscles, supports sleep.

Complete Nutrient Profile

NutrientAmount / 100g% Daily Value
Energy Kcal571.0 kJ
Protein21.4 g43% DV
Total Fat5.0 g6% DV
Cholesterol60.0 mg20% DV
Sodium53.0 mg2% DV
Calcium21.0 mg2% DV
Iron1.5 mg9% DV
Magnesium22.0 mg5% DV
Phosphorus202.0 mg16% DV
Potassium341.0 mg7% DV
Zinc3.8 mg35% DV
Vitamin B60.6 mg36% DV
Folate13.0 µg3% DV
Vitamin E0.3 mg2% DV
Vitamin K1.2 µg1% DV
Selenium29.5 µg54% DV

Compare Beef, flank, steak, separable lean only, trimmed to 0" fat, select With...

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🔗 Related Guides: 🩸 Iron Deficiency / Low Ferritin 🩸 Magnesium Deficiency 🧬 Testosterone 🧬 Cortisol 🧬 Thyroid (T3/T4) 🏃 Muscle Recovery

Frequently Asked Questions

Is Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw a good protein source?
Yes. Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw provides 21.43g of protein per 100g — that's 43% of the daily value. As a plant protein, combine with complementary sources (grains, nuts) for complete amino acid profile.
Does Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw affect hormones?
Yes — Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw is rich in selenium (54% DV), which Required for T4→T3 conversion (deiodinase enzyme). Selenoproteins protect Leydig cells from oxidative damage.. selenium supports T3 (active thyroid) and Testosterone production. vitamin b6 supports Progesterone and Dopamine production. zinc supports Testosterone and DHT production.
Is Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw good for blood pressure?
Yes. Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw provides 341mg of potassium per 100g (7% DV). Potassium helps lower blood pressure by counteracting sodium's effects and relaxing blood vessel walls. The sodium-to-potassium ratio is 6.4.
Is Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw good pre-workout?
Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw works well as a pre-workout snack: 0g carbs provide quick energy. 341mg potassium supports nerve function and prevents cramping. With a GI of 0, the energy release is gradual (good for endurance). Eat 30-60 minutes before training.
How filling is Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw?
Beef, flank, steak, separable lean only, trimmed to 0" fat, select, raw has a satiety score of 6.9/10. The 21.43g protein stimulates PYY (satiety hormone). This makes it effective for appetite control between meals.