Kre-Alkalyn (Buffered Creatine) vs Magnesium Citrate

Creatine vs Sleep · evidence-backed comparison

Quick take
  • Magnesium Citrate has the stronger evidence base (moderate (some rcts)).
  • Kre-Alkalyn (Buffered Creatine) has the broader effect profile across the 9 effect categories.
  • Magnesium Citrate is cheaper per serving ($0.12 vs $0.55).
  • Kre-Alkalyn (Buffered Creatine) has a slightly cleaner safety profile.

Side-by-side traits

TraitKre-Alkalyn (Buffered Creatine)Magnesium Citrate
Category
CreatineSleep
Active compound
pH-buffered creatine monohydrateMagnesium citrate
Form available
Powder, CapsuleCapsule, Powder, Tablet, Liquid
Source
syntheticsynthetic
Typical dose
1.5–3 g daily200–400 mg elemental Mg
Dose range
1.5–3 g200–400 mg
Loading protocol
Best taken with
waterany time, with water
Best time of day
anyany
Bioavailability
How efficiently the body absorbs and utilizes the compound.
High (4/5)High (4/5)
Onset time
Cumulative: 14–28 daysAcute: 1–3 hours
Half-life
Evidence level
Quality and quantity of human research.
Limited (small studies)Moderate (some RCTs)
Overall effect
Subjective effect magnitude.
High (4/5)Moderate (3/5)
Muscle / strength
High (4/5)Low (2/5)
Physical energy
Moderate (3/5)Low (2/5)
Focus / cognition
Low (2/5)Very Low (1/5)
Mood / stress
Very Low (1/5)Low (2/5)
Sleep quality
Very Low (1/5)Moderate (3/5)
Immunity
Very Low (1/5)Very Low (1/5)
Recovery
Post-exercise recovery support.
Moderate (3/5)Low (2/5)
Longevity / healthspan
Low (2/5)Moderate (3/5)
Safety rating
5 = exceptionally well-tolerated; 1 = significant risk profile.
Very High (5/5)High (4/5)
Price per serving
Approximate USD per typical daily dose.
$0.55$0.12
Vegan friendly
YesYes
Gluten free
YesYes
3rd-party tested
YesYes

About Kre-Alkalyn (Buffered Creatine)

pH-buffered creatine claiming better stability in stomach acid. Independent studies show no advantage over plain monohydrate.

Active compound: pH-buffered creatine monohydrate
Forms: Powder, Capsule
Onset: Cumulative: 14–28 days
strengthbufferedpremium

About Magnesium Citrate

Most affordable absorbable magnesium. Doubles as a mild laxative — useful if constipated, less ideal if not.

Active compound: Magnesium citrate
Forms: Capsule, Powder, Tablet, Liquid
Onset: Acute: 1–3 hours
sleepconstipationvaluemuscle

Kre-Alkalyn (Buffered Creatine) safety

Common side effects:

  • Generally none

Avoid if:

  • Severe kidney disease

Drug interactions:

  • Nephrotoxic drugs

Magnesium Citrate safety

Common side effects:

  • Loose stools (often desired)
  • GI cramps

Avoid if:

  • Severe kidney disease

Drug interactions:

  • Bisphosphonates

Common uses

  • Muscle gain
  • Strength

Stacks well with: Whey Protein Isolate

Common uses

  • General magnesium repletion
  • Constipation
  • Sleep

Stacks well with: 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.