NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) vs Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets
NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) (#3) vs Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets (#4): in our Magnesium Glycinate for Sleep scoring the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) totals 7.9/10 and the Doctor's Best, High…
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NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g)
$14.69Check price at iHerbRead full review
Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets
Check price at iHerbRead full reviewTopsFive comparison scores
Side by side
| NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) | Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets | |
|---|---|---|
| Price | $14.69 | — |
| Magnesium Form | Albion magnesium bisglycinate | Albion magnesium lysinate glycinate chelate |
| Elemental Magnesium | 300 mg per serving | 200 mg per serving; 100 mg per tablet |
| Serving Size | 1 level teaspoon (approximately 3 g) | 2 tablets |
| Servings Per Container | About 76 | 120 |
| Added Sleep Ingredients | None; no melatonin or L-theanine | None; no melatonin or L-theanine |
| Third-Party Verification | No qualifying finished-product certification shown; Non-GMO Project Verified | No qualifying finished-product certification shown; Albion TRAACS is an ingredient trademark |
| Other Ingredients | Citric acid | Microcrystalline cellulose, croscarmellose sodium, magnesium stearate, stearic acid, hydroxypropyl cellulose, silicon dioxide, hypromellose |
| Allergen/Diet Notes | Vegetarian/vegan and kosher; not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nuts or sesame | Non-GMO, gluten-free, soy-free and vegan |
How they differ in real use
Built from our magnesium glycinate for sleep scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) and the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets made our Top 5 Magnesium Glycinate for Sleep, at #3 and #4. The form, research-aligned dose, minimal ingredient list and exceptional value are stronger than the remaining uncertified products. Its low Third-Party Testing score keeps it below the independently verified top two despite leading the lighter-weight criteria. It combines a transparent chelated form, excellent active-ingredient value and unusually strong buyer-volume evidence. It ranks below the NOW powder because its 200 mg serving is farther from the 250 mg trial dose and it uses substantially more excipients.
We score magnesium glycinate for sleep on Third-Party Testing (30%), Form & Bioavailability (25%), Dose vs Research (20%), Label Transparency (15%) and Value (10%). On that basis the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) totals 7.9 out of 10 and the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets 7.4. The widest gap is Dose vs Research, where the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) scores 10 against 8 for the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets — per-serving dose versus doses used in published human trials. Label Transparency also separates them: 10 for the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) versus 9 for the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets.
On paper, the specifications that actually differ: Magnesium Form — Albion magnesium bisglycinate on the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) versus Albion magnesium lysinate glycinate chelate on the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets; Elemental Magnesium — 300 mg per serving on the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) versus 200 mg per serving; 100 mg per tablet on the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets; Serving Size — 1 level teaspoon (approximately 3 g) on the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) versus 2 tablets on the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets; Servings Per Container — About 76 on the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) versus 120 on the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets; Third-Party Verification — No qualifying finished-product certification shown; Non-GMO Project Verified on the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) versus No qualifying finished-product certification shown; Albion TRAACS is an ingredient trademark on the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets; Other Ingredients — Citric acid on the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) versus Microcrystalline cellulose, croscarmellose sodium, magnesium stearate, stearic acid, hydroxypropyl cellulose, silicon dioxide, hypromellose on the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets. They match on Added Sleep Ingredients.
The NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) lists at $14.69; the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets's current price is on the merchant page. Owners praise the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) for the 300 mg elemental dose is close to the 250 mg magnesium-bisglycinate dose used in the cited sleep trial. and at about $0.06 per 100 mg of elemental magnesium, it has the list's lowest active-ingredient cost.; the most common complaint is no USP, NSF, Informed Sport or published product-specific certificate is shown for the finished product. Owners praise the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets for the panel explicitly separates 200 mg elemental magnesium from 2,000 mg of chelated compound. and the 240-tablet bottle supplies 120 label servings for approximately $0.17 each.; the most common complaint is albion TRAACS is a branded chelate, not USP, NSF or other finished-product certification.
NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g)
- The 300 mg elemental dose is close to the 250 mg magnesium-bisglycinate dose used in the cited sleep trial.
- At about $0.06 per 100 mg of elemental magnesium, it has the list's lowest active-ingredient cost.
- The panel lists only magnesium bisglycinate and citric acid, without a proprietary blend.
- No USP, NSF, Informed Sport or published product-specific certificate is shown for the finished product.
- The label requires one teaspoon to be diluted in at least 6 oz of water or juice, making it less convenient than tablets or capsules.
Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets
- The panel explicitly separates 200 mg elemental magnesium from 2,000 mg of chelated compound.
- The 240-tablet bottle supplies 120 label servings for approximately $0.17 each.
- Its roughly 209,000 reviews and 90,000-plus recent sales provide the strongest popularity evidence among otherwise similar uncertified products.
- Albion TRAACS is a branded chelate, not USP, NSF or other finished-product certification.
- A serving requires two tablets, while the full label direction requires four tablets and 400 mg elemental magnesium per day.
Which should you buy?
The NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) is the better fit for buyers prioritizing elemental-magnesium value and people comfortable mixing an unsweetened powder — it is the higher-scoring pick here, chiefly for Dose vs Research and Label Transparency. The Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets is the better fit for value-focused buyers who prefer tablets and buyers wanting an explicitly quantified chelated compound. The NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) is a poor fit for people wanting capsules or tablets; the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets is a poor fit for people who have difficulty swallowing multiple tablets.
Choose the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) if
- Buyers prioritizing elemental-magnesium value
- People comfortable mixing an unsweetened powder
Skip it if
- People wanting capsules or tablets
- Buyers requiring external finished-product certification
Choose the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets if
- Value-focused buyers who prefer tablets
- Buyers wanting an explicitly quantified chelated compound
Skip it if
- People who have difficulty swallowing multiple tablets
- Buyers requiring NSF or USP certification
Common questions
Is the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) better than the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets?
In our Magnesium Glycinate for Sleep ranking the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) scores higher overall, 7.9 to 7.4, with the biggest advantage in Dose vs Research. The Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets does not out-score it on any criterion we weigh.
What is the main difference between the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) and the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets?
The headline spec difference is Magnesium Form: Albion magnesium bisglycinate on the NOW Foods, Magnesium Bisglycinate Powder, 8 oz (227 g) versus Albion magnesium lysinate glycinate chelate on the Doctor's Best, High Absorption Magnesium Lysinate Glycinate, 100 mg, 240 Tablets. In use, the gap that matters most is Dose vs Research (10 vs 8 in our scoring): per-serving dose versus doses used in published human trials.