Egg White Protein vs Magnesium L-Threonate

Protein vs Sleep · evidence-backed comparison

Quick take
  • Egg White Protein has the stronger evidence base (strong (multiple rcts / meta-analyses)).
  • Egg White Protein has the broader effect profile across the 9 effect categories.

Side-by-side traits

TraitEgg White ProteinMagnesium L-Threonate
Category
ProteinSleep
Active compound
OvalbuminMagnesium L-threonate
Form available
PowderCapsule, Powder
Source
animalsynthetic
Typical dose
25–35 g per serving1.5–2 g (≈144 mg elemental Mg)
Dose range
25–35 g1500–2000 mg
Loading protocol
Best taken with
waterevening
Best time of day
anyevening
Bioavailability
How efficiently the body absorbs and utilizes the compound.
Very High (5/5)Very High (5/5)
Onset time
Acute: 60–90 minCumulative: 4–12 weeks
Half-life
Evidence level
Quality and quantity of human research.
Strong (multiple RCTs / meta-analyses)Limited (small studies)
Overall effect
Subjective effect magnitude.
High (4/5)Moderate (3/5)
Muscle / strength
High (4/5)Very Low (1/5)
Physical energy
Moderate (3/5)Very Low (1/5)
Focus / cognition
Very Low (1/5)High (4/5)
Mood / stress
Very Low (1/5)Moderate (3/5)
Sleep quality
Very Low (1/5)High (4/5)
Immunity
Moderate (3/5)Very Low (1/5)
Recovery
Post-exercise recovery support.
High (4/5)Very Low (1/5)
Longevity / healthspan
Moderate (3/5)Moderate (3/5)
Safety rating
5 = exceptionally well-tolerated; 1 = significant risk profile.
Very High (5/5)Very High (5/5)
Price per serving
Approximate USD per typical daily dose.
$1.10$1.10
Vegan friendly
NoYes
Gluten free
YesYes
3rd-party tested
YesYes

About Egg White Protein

The original 'gold-standard' protein with PDCAAS=1.0. Lactose-free, fat-free, and rich in leucine for muscle protein synthesis.

Active compound: Ovalbumin
Forms: Powder
Onset: Acute: 60–90 min
dairy-freePDCAAS-1.0lean

About Magnesium L-Threonate

Only magnesium form proven to cross the blood-brain barrier in animals. Marketed for cognitive aging and sleep, but premium-priced.

Active compound: Magnesium L-threonate
Forms: Capsule, Powder
Onset: Cumulative: 4–12 weeks
brainsleepmemoryblood-brain-barrier

Egg White Protein safety

Common side effects:

  • Sulfur burps

Avoid if:

  • Egg allergy

Magnesium L-Threonate safety

Common side effects:

  • Drowsiness
  • Headache (rare)

Avoid if:

  • Severe kidney disease

Drug interactions:

  • Bisphosphonates

Common uses

  • Dairy-free protein
  • Cutting
  • Lean bulk

Stacks well with: Creatine Monohydrate

Common uses

  • Cognitive aging
  • Deep sleep
  • Memory

Stacks well with: Zinc, Vitamin D3

Medical disclaimer

SupplementDuel is for educational purposes only and is not medical advice. Consult a physician before starting, stopping, or combining supplements — especially if you are pregnant, breastfeeding, take prescription medication, or have a chronic condition.