Krebs Magnesium Potassium Complex
Nature's Way
Krebs Magnesium Potassium Complex
4.8
★ ★ ★ ★ ★
(854 ratings)
Magnesium 250 mg
Potassium 95 mg
Score 88.0
A high-quality magnesium and potassium supplement featuring well-absorbed chelated forms, offering good support for a range of health goals at a reasonable price.
Quantity: 120 Tablet(s)Servings size: 2 Tablet(s) (60 servings)
Selected goals:
Other goals:
General Health
Energy
Stress Relief
Heart Health
Bone Health
leaderboard Score 88.0
A high-quality magnesium and potassium supplement featuring well-absorbed chelated forms, offering good support for a range of health goals at a reasonable price.
insights Analysis
Nature's Way Krebs Magnesium Potassium Complex is a well-formulated supplement, leveraging Magnesium Lysinate for its magnesium component. Magnesium Lysinate is a chelated form known for its high bioavailability and being exceptionally gentle on the digestive system, making it an excellent choice for systemic absorption without the laxative effects sometimes associated with other forms. Potassium Citrate is equally a good choice for potassium, being well-absorbed and supportive of electrolyte balance. The 250mg magnesium dose is moderate and suitable for daily maintenance, while the 95mg potassium is the standard regulated amount. This product is well-regarded by nutritionists for its choice of forms and offers solid support across its stated goals.
- Uses highly bioavailable and gentle forms of both magnesium (Lysinate) and potassium (Citrate).
- Good overall ingredient quality and absorption.
- From a reputable brand (Nature's Way) at a competitive price per serving for the quality.
- Magnesium dosage (250mg) might be insufficient for individuals with significant deficiencies or higher therapeutic needs.
- Potassium dosage is limited by regulations, consistent across similar supplements.
$16.49($0.27 per serving)
 Pure Formulas | $ 16.49 | |
 iHerb | $ 16.49 | |
 Vitacost | $ 16.49 |
bolt Effectiveness for goals
Potassium is crucial for balancing fluids and electrolytes, which directly impacts blood pressure. A higher intake of potassium, especially from food sources, is associated with a reduction in blood pressure in individuals with hypertension. Maintaining adequate potassium levels supports cardiovascular health.
Adequate potassium intake, primarily from dietary sources, is well-established to help manage blood pressure by counteracting the effects of sodium. Potassium supplements, used under medical supervision, may assist individuals with low potassium levels or help manage hypertension. Its role in maintaining electrolyte balance is crucial for cardiovascular regulation.
Both magnesium and potassium are vital electrolytes for cardiovascular health. Potassium helps regulate blood pressure and supports a healthy heart rhythm, while magnesium contributes to normal blood vessel function and muscle relaxation. Together, they play interconnected roles in maintaining heart and circulatory system function.
Magnesium is involved in over 300 enzymatic reactions in the body, impacting energy production, protein synthesis, and nerve and muscle function. It supports electrolyte balance, blood sugar regulation, and bone development. Maintaining adequate magnesium is vital for numerous physiological processes.
Magnesium contributes to normal muscle contraction and relaxation. Supplementation may help individuals with magnesium deficiency improve muscle function and reduce the incidence of muscle cramps. Its effectiveness for general muscle performance in non-deficient individuals is an area of ongoing research.
schedule Dosage, timing & forms
The Recommended Dietary Allowance (RDA) for adult magnesium intake ranges from 310-420 mg per day, depending on age and sex. Supplement dosages typically fall within this range or slightly higher to address potential deficiencies. It's important not to exceed the Tolerable Upper Intake Level (UL) of 350 mg from supplements for healthy adults, unless advised by a healthcare professional.
Magnesium supplements come in various forms, including magnesium citrate, glycinate, malate, and oxide. Each form may differ in its bioavailability and intended use, with some being better absorbed or targeting specific concerns. For example, magnesium citrate is often chosen for bowel regularity, while glycinate is known for its calming properties.
For healthy adults, the Tolerable Upper Intake Level (UL) for magnesium from supplements and pharmacological agents is 350 mg per day. Exceeding this limit from supplements without medical supervision may lead to side effects such as diarrhea or nausea. There is no UL established for magnesium obtained from food and water.
For adult men, the recommended dietary allowance (RDA) generally ranges from 400-420 mg per day, and for adult women, it's typically 310-320 mg. These figures can vary slightly based on age, sex, and specific life stages like pregnancy or lactation. Most individuals aim to meet these levels through a balanced diet.
The adequate intake (AI) for potassium for adult men is generally around 3,400 mg per day, and for adult women, it's about 2,600 mg per day. Most of this intake is typically achieved through a diet rich in fruits, vegetables, and other potassium-containing whole foods. Supplementation usually provides smaller amounts.
health_and_safety Safety & interactions
Yes, magnesium supplements can interact with various medications, including some antibiotics, bisphosphonates, diuretics, and proton pump inhibitors. These interactions can affect the absorption or efficacy of either the medication or the magnesium. It is important to discuss magnesium supplementation with a healthcare provider if taking other medications.
Yes, potassium supplements can interact with medications such as ACE inhibitors, angiotensin receptor blockers (ARBs), and potassium-sparing diuretics. These interactions can significantly increase potassium levels in the blood, potentially leading to hyperkalemia. Nonsteroidal anti-inflammatory drugs (NSAIDs) can also affect potassium balance.
Excessive intake of potassium from supplements can lead to hyperkalemia, a condition characterized by abnormally high potassium levels in the blood. Symptoms can include muscle weakness, tingling, and potentially dangerous heart rhythm abnormalities. This risk is higher for individuals with impaired kidney function.
Yes, potassium supplements can interact significantly with several medications, particularly ACE inhibitors, angiotensin receptor blockers (ARBs), and potassium-sparing diuretics. These interactions can increase the risk of hyperkalemia. Nonsteroidal anti-inflammatory drugs (NSAIDs) can also elevate potassium levels.
Individuals with kidney disease, heart conditions, or those taking certain medications (like diuretics or antibiotics) should exercise caution with magnesium supplements. People with impaired kidney function are particularly at risk for hypermagnesemia. Consulting a healthcare provider before starting any new supplement is advisable.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Calories | 5 Calorie(s) |
Total Carbohydrates | 1 Gram(s) |
Magnesium | 250 mg |
Potassium | 95 mg |
Categories
Magnesium 90.0
Uses Magnesium Lysinate, a highly bioavailable and gentle chelated form, excellent for systemic absorption and suitable for sensitive individuals.
Potassium 85.0
Offers potassium in the well-absorbed Citrate form, providing the standard maximum dosage in a highly bioavailable manner.
Goals
Stress Relief 90.0
Magnesium Lysinate is particularly noted for its calming effects on the nervous system and is well-absorbed to effectively aid in stress reduction and relaxation.
Mood Support 90.0
Magnesium's impact on neurotransmitters is well-supported by the Lysinate form, making this product highly effective for mood regulation and reducing anxiety.
Sleep Support 90.0
Magnesium Lysinate is an excellent choice for promoting relaxation and improving sleep quality due to its high absorption and calming properties.
Recommended Alternatives
90 Value 
Potassium + Magnesium
Nutricost
4.8
★★★★★
(1105 ratings)
While the magnesium form (citrate) might be marginally less 'gentle' than lysinate for some, it is still highly bioavailable and offers excellent value at a much lower price per serving.
95 Value 
Magnesium Caps 500 mg
Life Extension
4.8
★★★★★
(71620 ratings)
For magnesium supplementation specifically, this product provides a very high dose of TRAACS Magnesium Lysyl Glycinate Chelate, a top-tier bioavailable form, at a very attractive price per serving, offering exceptional value for magnesium.
85 Value 
Target-Mins Magnesium Potassium Aspartate With Other Target-Mins Chelates
Country Life
4.7
★★★★★
(4315 ratings)
Offers a higher dose of magnesium (600mg) in a good form (citrate) and potassium aspartate, at a lower price per serving than the original, providing a better overall value for higher quality and quantity.
88 Performance 
Dr. Strum's Intensive Bone Formula
Life Extension
4.5
★★★★★
(159 ratings)
Offers a significantly higher dose of highly bioavailable Potassium Citrate (1173mg) along with a good Magnesium Citrate dose, making it superior for those with higher potassium needs or specific bone health goals.
85 Performance 
Target-Mins Magnesium Potassium Aspartate
Country Life
4.8
★★★★★
(2105 ratings)
Features Magnesium Alpha-Ketoglutarate at a higher dose (600mg), which is excellent for energy metabolism, and also uses a highly bioavailable potassium form, offering a different high-quality option.
90 Performance 
Keto Electrolyte Powder Lemon Lime Flavor
Trace Minerals
4.7
★★★★★
(2486 ratings)
Offers very high doses of both magnesium and potassium in well-absorbed citrate forms, especially good for intense electrolyte replenishment needs in a convenient powder format.
90 Budget
Potassium + Magnesium
Nutricost
4.8
★★★★★
(1105 ratings)
Significantly cheaper per serving, using Magnesium Citrate and Potassium Citrate which are also highly bioavailable, offering great value for money if willing to compromise slightly on the specific magnesium form.
65 Budget 
Potassium with Extend-Release Magnesium
Life Extension
4.8
★★★★★
(5565 ratings)
Much cheaper overall, though uses less bioavailable forms (Magnesium Oxide, Potassium Chloride) but attempts to mitigate with extended release.
45 Budget 
Magnesium 250 mg
21st Century
4.7
★★★★★
(63969 ratings)
A very low-cost option for basic magnesium (oxide) supplementation, if price is the primary driver and the form is less critical for systemic absorption.
90 Value
Potassium + Magnesium
Nutricost
4.8
★★★★★
(1105 ratings)
While the magnesium form (citrate) might be marginally less 'gentle' than lysinate for some, it is still highly bioavailable and offers excellent value at a much lower price per serving.
95 Value
Magnesium Caps 500 mg
Life Extension
4.8
★★★★★
(71620 ratings)
For magnesium supplementation specifically, this product provides a very high dose of TRAACS Magnesium Lysyl Glycinate Chelate, a top-tier bioavailable form, at a very attractive price per serving, offering exceptional value for magnesium.
85 Value
Target-Mins Magnesium Potassium Aspartate With Other Target-Mins Chelates
Country Life
4.7
★★★★★
(4315 ratings)
Offers a higher dose of magnesium (600mg) in a good form (citrate) and potassium aspartate, at a lower price per serving than the original, providing a better overall value for higher quality and quantity.
88 Performance
Dr. Strum's Intensive Bone Formula
Life Extension
4.5
★★★★★
(159 ratings)
Offers a significantly higher dose of highly bioavailable Potassium Citrate (1173mg) along with a good Magnesium Citrate dose, making it superior for those with higher potassium needs or specific bone health goals.
85 Performance
Target-Mins Magnesium Potassium Aspartate
Country Life
4.8
★★★★★
(2105 ratings)
Features Magnesium Alpha-Ketoglutarate at a higher dose (600mg), which is excellent for energy metabolism, and also uses a highly bioavailable potassium form, offering a different high-quality option.
90 Performance
Keto Electrolyte Powder Lemon Lime Flavor
Trace Minerals
4.7
★★★★★
(2486 ratings)
Offers very high doses of both magnesium and potassium in well-absorbed citrate forms, especially good for intense electrolyte replenishment needs in a convenient powder format.