Shaklee +L Boost Lecithin Review

Product Focus: Healthy AgingAlso covers:HeartBrainSkin
Tier ⓘ
Tier 3 · Rank 3
Tier 3 · Reviewed. Strong review agreement, with limited or early support from human studies. Rank 3 within Tier 3 for Healthy Aging; 111 of 215 overall. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
57 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
98% of 16,000
Biohacker Mentions
0 of 10

Study, Trial or Testing Result Summary

Members Only10 human studies · 7 improved
10 human studies7 improved494 people studied

No human study has tested lecithin by itself for aging or cell repair, and the amount of lecithin in this product is hidden in a blend, so we cannot tell whether it matches any studied dose. All the related trials used phospholipids, the main type of fat in lecithin, mixed with other ingredients. In 82 adults with borderline high cholesterol, 2 months of plant sterols with phospholipids lowered cholesterol and markers of oxidative damage, more than plant sterols alone [1]. In 25 older adults with mild memory problems, 12 weeks of omega-3 phospholipids with melatonin and tryptophan lowered oxidative damage in red blood cells, while placebo showed no change [2]. Two skin cream trials containing lecithin or phospholipids with plant extracts improved skin quality and reduced wrinkles, but these were creams, not a swallowed supplement [3][4]. A fortified milk drink with milk fat phospholipids in 244 exercising women gave mixed results, with no added gains in strength or inflammation [5]. Krill oil in 35 athletes did not clearly improve antioxidant capacity compared with placebo [6]. Overall, the study support is indirect and thin. Animal and cell studies are never counted.

See all 10 studies →Hide the studies

Review Totals and Summary

Members Only16,000 reviews · 98% positive
16,000 reviews · Google Shopping 16,000
98% positive0% neutral2% negative

Extensive customer reviews and qualitative feedback are currently being aggregated for this product. Check back soon for a detailed sentiment analysis.

Biohacker Summary

Members Only0 of 10 recommend it
0 of 10 biohackers on our panel recommend it

Seven of the ten panelists spoke about lecithin, and they are split: four use or recommend it, while three lean toward caution or stay neutral. Those who use it prefer sunflower lecithin, usually about a teaspoon stirred into a pudding, smoothie, or homemade gummies, and they take it for choline, phospholipids, better fat absorption, emulsifying, brain support, and thinning bile. One says it may help when diet limits choline intake, and one pairs it with a recipe aimed at myelin and fertility but says liposomal forms work better. Soy lecithin draws the most caution: two warn against it, citing GMO sourcing, estrogen-like compounds, and a possible rise in a heart-risk marker called TMAO, and one warns that lecithin acts like a detergent that could disrupt the gut, though another found no microbiome damage and called it the safest emulsifier. Nobody said they stopped taking it, and doses beyond a teaspoon were not given.

See all 8 biohackers →Hide the biohackers
  • Dave Asprey · Lecithin · warns
    • 29 Sep 2026 · warns · YouTube ↗
      Warns against using soy lecithin as a source of choline because it is usually GMO and full of xenoestrogens.
    • 25 Oct 2024 · neutral · Podcast ↗
      Dave Asprey discusses soy lecithin in comparison to sunflower lecithin.
    • 25 Oct 2024 · neutral · YouTube ↗
      Used sunflower lecithin in their 'get some ice cream' recipe for fertility, but notes it doesn't work as well as liposomal forms.
    • 18 Apr 2022 · recommends · YouTube ↗
      Recommends foods high in inositol, methionine, and choline, such as sunflower lecithin, for burning fat.
    • 25 Sep 2020 · uses · YouTube ↗
      Includes sunflower or soy lecithin in his 'get some ice cream' recipe because lots of lecithin is needed to form myelin.
    • 26 Aug 2020 · warns · YouTube ↗
      States that soybean lecithin can be bad because it has the same fatty acids as soybean oil, and while not as damaging as seed oils, it is not healthy and not recommended.
    • Date not recorded · neutral · Website ↗
      Dave Asprey asks if soybean lecithin, which is a fat, is also bad.
  • Thomas DeLauer · Lecithin · warns
    • 29 Sep 2026 · warns · YouTube ↗
      Notes that lecithin is also considered a detergent and could potentially cause similar gut disruption to polysorbate, although it might be less potent.
    • 6 Oct 2025 · recommends · YouTube ↗
      Is pleased that most sugar-free gums are using soy lecithin, considering it one of the safer emulsifiers and not a concern despite his general dislike for soy.
    • 26 May 2025 · recommends · YouTube ↗
      Recommends opting for soy lecithin or sunflower lecithin in foods instead of polysorbates if an emulsifier is present.
    • 13 May 2025 · neutral · YouTube ↗
      Notes that lecithin, including sunflower lecithin or soy lecithin, did not cause damage to the microbiome, so seeing it on an ingredient list is not a concern.
    • 20 Dec 2024 · recommends · YouTube ↗
      Suggests looking for products that use lecithin as an emulsifier, stating it appears to be the safest option.
    • 23 May 2024 · neutral · YouTube ↗
      Notes that lecithin, including soy and sunflower lecithin, seemed to have practically no impact on gut barrier function when compared to polysorbate 80, suggesting it is a safer emulsifier.
    • 3 Oct 2021 · neutral · YouTube ↗
      Advises not to be freaked out by sunflower lecithin, as it is an acceptable emulsifier.
    • 9 Jul 2021 · neutral · YouTube ↗
      Notes that soy lecithin is used to prevent clumping and does not contain the oils that would contribute omega-sixes from soy.
    • 20 Dec 2020 · warns · YouTube ↗
      States that soy lecithin isn't tremendously terrible as an emulsifier, but it still contains phytoestrogens which could arguably have a negative effect on the body.
    • 22 Nov 2020 · warns · YouTube ↗
      Notes that soy lecithin is an ingredient he would prefer to avoid in fat bombs.
  • Bryan Johnson · Lecithin · uses
    • 1 Jul 2026 · uses · X ↗
      Uses sunflower lecithin as an ingredient in Nutty Pudding.
    • 23 Dec 2023 · uses · YouTube ↗
      Uses 1 teaspoon of sunflower lecithin in his Nutty Pudding for phospholipids and as a safe choline source.
    • 27 Jul 2023 · uses · YouTube ↗
      Includes sunflower lecithin in his Nutty Pudding, which he consumes an hour after his Super Veggie.
    • Date not recorded · uses · Website ↗
      Bryan Johnson uses 1 tsp of sunflower lecithin in his Nutty Pudding.
  • Ben Greenfield · Lecithin · uses
    • 20 Dec 2025 · uses · YouTube ↗
      Sometimes takes lecithin and experiments with different things.
    • 24 Aug 2023 · recommends · YouTube ↗
      Recommends lecithin as a fantastic addition to a nootropic stack because it increases the synthesis of acetylcholine.
    • 15 Jun 2023 · uses · YouTube ↗
      Uses a little bit of lecithin powder in his homemade sleep gummies, taken before bed, to help them emulsify and prevent clumping.
    • 26 Feb 2020 · uses · YouTube ↗
      Adds a teaspoon of sunflower lecithin to his smoothie, stating it helps absorb lipids better and lends a nice texture.
    • 13 Oct 2018 · recommends · YouTube ↗
      Ben Greenfield, referencing Ann Lewis Gittleman, recommends lecithin, specifically sunflower lecithin or non-GMO soy lecithin, to thin bile and address gallbladder issues, gallstones, and heart health, suggesting it can be added to a morning smoothie.
    • 5 May 2018 · uses · YouTube ↗
      Ben Greenfield blends Pau d'arco tea and turmeric with a little bit of coconut oil, sunflower lecithin, or krill oil as a base for smoothies or to drink.
    • 1 Mar 2018 · uses · YouTube ↗
      Adds one to two tablespoons of organic sunflower lecithin to his smoothie as an emulsifying agent to achieve a really thick, pudding-like texture.
    • 18 Jan 2018 · recommends · Podcast ↗
      Ben recommends soy lecithin granules for lowering the effects of menopause.
    • 28 Jun 2017 · recommends · Podcast ↗
      Ben recommends taking lecithin before meals.
    • 10 May 2017 · uses · YouTube ↗
      Mentions sunflower lecithin as part of their stable lipid blend.
  • Dr. Mark Hyman · Lecithin · warns
    • 12 Apr 2024 · warns · YouTube ↗
      Advises to stay away from soy lecithin.
    • 2 Jan 2019 · warns · YouTube ↗
      Warns that lecithin in protein shakes can inadvertently raise TMAO levels.
    • 21 Oct 2016 · neutral · YouTube ↗
      Points out that lecithin, including soy and egg lecithin, also contributes to TMAO formation, similar to red meat.
  • Dr. Eric Berg · Lecithin · neutral
    • 27 Feb 2023 · neutral · YouTube ↗
      Mentions lecithin as a compound in egg yolk that helps mobilize cholesterol out of the body.
    • 3 Feb 2023 · neutral · YouTube ↗
      States that 22 percent of bile is made out of lecithin, which is a choline compound that helps break down fat and cholesterol.
    • 14 Sep 2022 · neutral · YouTube ↗
      Explains that eggs are loaded with lecithin, which acts as an antidote to cholesterol, helping to increase HDL and counter excess cholesterol in the body.
    • 24 Jul 2022 · neutral · YouTube ↗
      Mentions that eggs contain lecithin, which he describes as an antidote to cholesterol.
    • 12 Mar 2022 · recommends · YouTube ↗
      Recommends lecithin, found in eggs, as it helps break down fat in the liver.
    • 25 Feb 2022 · neutral · YouTube ↗
      Mentions that lecithin, found in eggs, is another antidote for cholesterol to keep it in check.
    • 17 Feb 2022 · neutral · YouTube ↗
      Notes that egg yolk is high in lecithin, which helps soften hands and acts as an antidote to cholesterol.
    • 6 Jul 2021 · recommends · YouTube ↗
      Recommends fats high in lecithin, such as egg yolks, for liver health.
    • 9 Dec 2020 · neutral · Podcast ↗
      Discusses the 11 benefits of lecithin, describing it as a fat-like substance found in all cells, primarily in egg yolk.
    • 16 Aug 2020 · recommends · YouTube ↗
      Recommends consuming lecithin from whole food sources like eggs, beef, or organ meats for its benefits on brain health, ADHD, memory issues, dementia, ticks, tremors, neurological issues, hair structure, reversing fatty liver, triggering bile release, SIBO, reducing HDL, increasing sperm count, improving fertility, skin issues like acne and psoriasis, lung function, cardiovascular function, regulating lipids, and as an anti-inflammatory that helps reduce gallstone risk.
  • Andrew Huberman · Lecithin · neutral
    • 3 May 2021 · neutral · YouTube ↗
      Lists lecithin as a nootropic that increases cholinergic system activity to increase energy without impacting blood glucose.
  • Peter Attia · Lecithin · recommends
    • 7 Jan 2020 · recommends · YouTube ↗
      Would recommend supplementing with lecithin in situations where dietary restrictions prevent adequate choline intake, due to its lower likelihood of generating TMAO.

RAL Summary

Members OnlyTier 3 for Healthy Aging

Placed at tier 3 because 98% of about 16000 reviews are positive, while the study support is thin and comes only from phospholipid blends and skin creams, not lecithin alone [1][2].

  • Lecithin: amount hidden in a blend

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Cardiovascular system, Nervous system, Skin, Cellular metabolism

Combine with: Combine with a healthy diet and lifestyle.

Possible side effects: No major side effects reported.

Supplement Facts

Total Carbohydrates 1 g · Phosphorus 60 mg · Lecithin 3.1 g
Supplement Facts
Serving Size 6 Softgel(s)
Servings Per Container 30
Amount Per Serving% Daily Value
Calories35
Total Fat3 g
Total Carbohydrates1 g
Protein1 g
Phosphorus60 mg
Lecithin3.1 g†
† Daily Value not established.

Other ingredients: Soybean Oil, Gelatin, Sorbitol, Glycerin, Water.

Directions: Directions: Take 6 softgels daily.

Label source: NIH label database · Report a label change

Show entire label
The Shaklee +L Boost Lecithin label, 180 Softgel(s)
+L Boost Lecithin, 180 Softgel(s)

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Graded November 14, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.