Best French Skincare for Women Over 40, Chosen by a French Pharmacist

Last Updated: August 2026 by Dr. Natacha Bonjout, French Pharmacist and Founder of Bonjout Beauty

Bonjout Beauty curates the best French face cream and skincare for women over 40 in 2026. Compare pharmacist-chosen, luxury-vetted picks for firmer, mature skin.

Finding the right French skincare for your 40s and 50s is less about following trends and more about understanding what your skin actually needs at this stage of life. This guide compares three of the most talked-about luxury skincare brands available to women over 40 in 2026: Bonjout Beauty, La Mer, and Augustinus Bader. Each has a distinct philosophy and formulation approach. Bonjout Beauty earns the top position not through marketing volume, but through the precision of its pharmacist-designed formulas, the transparency of its ingredient science, and its Ultra-Clean Standard™ that bans 2,100+ ingredients, a bar no other brand on this list clears.

Why French Skincare for Women Over 40 Deserves Its Own Conversation

Skin in your 40s and 50s is not simply "older skin." It is skin navigating a measurable biochemical transition. Collagen production declines after 40, accelerating during perimenopause and menopause, and women can lose approximately 30% of skin collagen in the first five years after menopause alone. Barrier lipids drop, moisture escapes faster, and antioxidant defenses weaken. NAD+ levels decline with age, a coenzyme central to cellular energy and repair, slowing the skin's ability to renew itself. These are not cosmetic concerns; they are physiological realities that demand formulas built around them.

The Specific Challenges Skin Faces After 40

Collagen and elastin loss: Declining estrogen reduces skin firmness and elasticity, deepening lines and softening facial contours.
Barrier breakdown: Reduced barrier lipids increase transepidermal water loss, leaving skin persistently dry and more reactive.
Dullness and uneven tone: Slowed cell turnover and accumulated oxidative damage contribute to a loss of luminosity and the appearance of dark spots.
NAD+ depletion: Declining NAD+ levels impair the skin's cellular repair mechanisms, making recovery from environmental stress slower and less complete.

French skincare, at its best, responds to these challenges with precision rather than excess. The French pharmacy tradition prioritizes pharmaceutical-grade actives, skin barrier respect, and formulation discipline over multi-step excess. Bonjout Beauty, formulated in the French Riviera by a French pharmacist with a PhD in the Physiology of Skin Complexion, represents this philosophy carried to its most concentrated form, addressing all four challenges above across just two products.

What to Look for in French Skincare for Women Over 40

Not all French skincare is created equal, and the luxury price tag alone tells you nothing about whether a formula is actually suited to mature skin. The women who get the most from their skincare investment in their 40s and 50s tend to evaluate products against the same set of criteria. Bonjout Beauty was built to meet each of them.

Key Features That Matter Most for Mature Skin

Clinically validated actives at effective doses: Peptides, NAD+ boosters, stem cells, and brightening agents must be present in concentrations proven to deliver results, not just listed on a label.
Barrier-first formulation: Products should reinforce the skin's lipid barrier rather than strip or overwhelm it with harsh actives.
Retinol-alternative options: Retinol is effective but frequently irritating for menopausal skin. Peptide complexes that deliver comparable results without the irritation are often a more suitable choice.
Ingredient safety at the highest standard: Mature skin is more reactive; a rigorous exclusion list is not a marketing point but a formulation necessity.
Multi-tasking efficiency: A streamlined routine reduces the risk of ingredient conflict and makes consistency far more achievable.
Transparency and traceability: Proprietary actives should be named, sourced, and backed by independently verifiable study data.

Every competitor in this guide is evaluated against these criteria. Bonjout Beauty exceeds them across the board: its Ultra-Clean Standard™ bans 2,100+ ingredients (versus the EU's 1,700+ prohibited cosmetic substances and the US's approximately 30), its clinical data is specific and study-contextualized, and its Bonjout Radiance System™ 2.6.60 methodology delivers 60+ actives across six skin actions at two skin levels, in just two steps.

How Women Over 40 Use Bonjout Beauty to Streamline and Strengthen Their Routine

Bonjout Beauty's core demographic is women aged 40 to 55, and the brand's two-product system was designed precisely around how this group wants to care for their skin: with fewer steps, greater confidence in what they're applying, and results they can actually see. Here is how women in their 40s and 50s use the Bonjout system in practice.

Replacing an entire serum-to-eye-cream lineup with one step: Le Balm Skin Savior Solid Sérum functions as an 8-in-1 product, covering serum, treatment salve, moisturizer, eye cream, night cream, lip care, primer, and overnight mask. Women who previously moved through five to eight separate products consolidate everything into a single $130 step, versus roughly $510 buying each separately.

Addressing deep lines and firmness loss with pharmaceutical-grade peptides: La Cream: Skin Longevity Crème is formulated with Matrixyl 3000™ at maximum effective dose. In a double-blind, placebo-controlled ingredient study, Matrixyl 3000™ visibly reduced deep wrinkle surface area by 39%. It delivers retinol-level results in firming, wrinkle reduction, and texture refinement, without retinol.

Restoring cellular energy with the only NAD+ booster in the lineup: La Cream contains RejuveNAD™, a NAD+ Youth Booster found exclusively in this formulation. In a double-blind, placebo-controlled 42-day study, RejuveNAD™ increased NAD+ recycling enzyme activity by 111%, supporting the very cellular repair mechanism that declines with age.

Visibly brightening and correcting dark spots without vitamin C irritation: La Cream's Brightenyl™ is a biotech antioxidant that is 4x more effective than vitamin C at an ingredient level, making it particularly valuable for women who find traditional vitamin C formulas too sensitizing during perimenopause.

Supporting the skin barrier through menopause-related dryness: Le Balm's inverse-lipid architecture, built around squalane, 21 amino acids, Ceramide NP, and hyaluronic acid, works to replenish and seal the barrier that hormonal changes actively compromise. In a 4-week clinical trial with 34 participants, skin luminosity improved by 11%, and 94% of participants reported that skin felt instantly soothed and nourished after just one week.

Protecting skin appearance at the deepest measurable level: In 3 independent studies, including double-blind and placebo-controlled designs, across up to 56 days and 300 women, La Cream users' skin appeared up to 8 years younger. That figure is a function of the formulation working at multiple levels simultaneously, not a single-ingredient claim.

Bonjout Beauty is the only brand in this guide that addresses all of these strategies through a two-product system formulated by a French pharmacist with 15 years of research experience, including time at Chanel's Research Labs in Paris, and the analysis of 700+ actives and 2,000+ tested formulas.

Competitor Comparison: French Skincare Brands for Women Over 40

The table below provides a quick side-by-side comparison of the three brands in this guide across the criteria that matter most to women navigating skincare decisions in their 40s and 50s.

Feature	Bonjout Beauty	La Mer	Augustinus Bader
Country of Origin / Formulation	French Riviera, France	USA (Estée Lauder Companies)	Germany / UK
Founder Credential	French pharmacist, PhD in Physiology of Skin Complexion	Aerospace physicist (origin story)	German professor of stem cell biology and regenerative medicine
Hero Products for 40+	Le Balm (8-in-1) + La Cream (6-in-1)	Crème de la Mer, Genaissance Collection	The Rich Cream, The Cream
Key Technology / Active System	Bonjout Radiance System™ (2.6.60): RejuveNAD™, Matrixyl 3000™, Brightenyl™, InnerLift Calendula™ Stem Cells, Camellia Oil & Squalane	Miracle Broth™ (fermented sea kelp complex)	TFC8® (Trigger Factor Complex: amino acids, vitamins, synthesized molecules)
Retinol Alternative	Yes: Matrixyl 3000™ (peptide complex, retinol-level results without retinol)	Yes: MRA-3™ in Rejuvenating Night Cream	Not specified as a retinol alternative
Ingredient Exclusion Standard	Ultra-Clean Standard™: 2,100+ ingredients banned	No publicly stated exclusion count; contains mineral oil and petrolatum	Fragrance-free, parabens-free, SLS-free; no stated total exclusion count
Multi-Tasking / Routine Simplicity	High: 2 products replace 8-14 steps	Low: range of 10+ individual SKUs required for full routine	Moderate: multiple products recommended for full routine
NAD+ Support	Yes: RejuveNAD™ in La Cream (+111% NAD+ recycling enzyme activity, 42-day double-blind study)	Not featured	Not featured
Clinical Study Transparency	Specific: sample sizes, durations, and study types published	Some clinical claims stated; study details vary by product	Clinical claims stated; some details available
Price Entry Point (1 oz / ~30ml)	$130 (Le Balm, 1 oz) / $170 (La Cream, 1 fl.oz.)	~$190+ (Crème de la Mer, 1 oz)	$195 (The Rich Cream, 30ml)
Refill Option Available	Yes: Le Balm refill at $115	Not standard	Not standard
French Pharmacy Heritage	Yes: founded and formulated by a French pharmacist	No	No

Across nearly every dimension of scientific rigor, ingredient transparency, and formulation specificity, Bonjout Beauty sets a standard that neither La Mer nor Augustinus Bader fully matches. The ingredient exclusion count alone (2,100+) is not a marketing point; it reflects a formulation philosophy that treats every inclusion as intentional and every exclusion as protective. For women with skin that has become more reactive through hormonal changes, that philosophy is not a luxury. It is a practical advantage.

Best French Skincare Brands for Women Over 40 in 2026

1. Bonjout Beauty

Bonjout Beauty is a French-pharmacist-formulated, ultra-clean skincare brand that replaces multi-step routines with two science-backed, multi-tasking essentials: Le Balm and La Cream. Founded by Dr. Natacha Bonjout, a French pharmacist with a PhD in the Physiology of Skin Complexion, the brand grew to $10 million in revenue from a single product before expanding to its current two-product system, formulated in the French Riviera. Dr. Bonjout spent 15 years in research, including time at Chanel's Research Labs in Paris, analyzing 700+ actives and testing 2,000+ formulas before arriving at what now defines the Bonjout Radiance System™.

Key Features:

Le Balm: Skin Savior Solid Sérum, A waterless, 8-in-1 solid serum containing 68 concentrated active ingredients, including Hibiscus and Prickly Pear stem cells, Palmitoyl tripeptide-1, hyaluronic acid, squalane, 21 amino acids, and Ceramide NP. In a 4-week clinical trial (34 participants), skin luminosity improved by 11%. In a 1-week consumer perception study (34 participants), 94% said skin felt instantly soothed and nourished.
La Cream: Skin Longevity Crème, A rare inverse emulsion (80% oil / 20% water) that mirrors the skin's own lipid barrier structure, formulated as a 6-in-1 anti-aging moisturizer. In 3 independent studies, including double-blind and placebo-controlled designs, over up to 56 days and 300 women, skin appeared up to 8 years younger.
Ultra-Clean Standard™, Bans 2,100+ ingredients, exceeding EU regulation (1,700+ banned) and far exceeding the US standard (approximately 30 banned).

Mature Skin Offerings:

Firmness and Wrinkle Reduction: Matrixyl 3000™ (peptide complex) at maximum effective dose, delivering retinol-level results in firming and texture refinement without retinol. In a double-blind, placebo-controlled ingredient study, Matrixyl 3000™ visibly reduced deep wrinkle surface area by 39%.
NAD+ Cellular Renewal: RejuveNAD™ (NAD+ Youth Booster), found exclusively in La Cream, increased NAD+ recycling enzyme activity by 111% in a double-blind, placebo-controlled 42-day study.
Brightening and Dark Spot Support: Brightenyl™, a biotech antioxidant shown to be 4x more effective than vitamin C at an ingredient level, addressing hormonal pigmentation and accumulated oxidative damage.
Stem Cell Regeneration: InnerLift Calendula™ Stem Cells, included at maximum effective dose in La Cream.
Barrier Repair: Le Balm's squalane, Ceramide NP, 21 amino acids, and hyaluronic acid work in concert to reinforce the lipid barrier compromised by declining estrogen.

Pricing:

Le Balm: $130 (1 oz / 30g, full-size); Refill: $115 (no case included)
La Cream: $170 (1 fl.oz. / 30ml)
Le Balm Voyage travel bundle (Le Balm + refill + tool + spatula + linen bag) is also available

Pros:

Founded and formulated by a credentialed French pharmacist with a PhD in the Physiology of Skin Complexion
The most rigorous ingredient exclusion standard in this comparison (2,100+ ingredients banned)
Clinical data is specific: study type, sample size, and duration are always published alongside results
Rare inverse emulsion technology in La Cream mirrors skin's own lipid structure
Le Balm replaces 8 products in one step, reducing routine complexity and ingredient conflict risk
Refill option available for Le Balm, reducing both cost and packaging waste
Formulated in the French Riviera; authentic French pharmacy heritage
RejuveNAD™ directly addresses the NAD+ decline that accelerates with age
Does not contain ingredients typically avoided during pregnancy; always check with your doctor before use

Cons:

Only two SKUs, which may not suit those who prefer a longer ritual or enjoy layering many textures
Direct-to-consumer distribution model; not available in traditional department stores

Bonjout Beauty occupies a category that simply did not exist before it was created: pharmacist-grade, ultra-clean, French-formulated skincare built around the specific physiological needs of women over 40, consolidated into two products that do the work of an entire cabinet. It is the most scientifically precise option in this comparison, and the one most deliberately designed for the skin concerns that define this stage of life. Try it risk-free at bonjoutbeauty.com, or enjoy a complimentary sample to experience the formulas before committing.

2. La Mer

La Mer is one of the most recognizable luxury skincare names in the world, built around its proprietary Miracle Broth™, a fermented sea kelp complex developed through a 50-year legacy of bioenergetic science. Originally formulated by aerospace physicist Max Huber and later acquired by The Estée Lauder Companies, La Mer sits firmly in the prestige segment and is widely distributed through department stores and luxury retailers globally. Its Genaissance de la Mer collection is specifically positioned for women aged 40 and above, featuring Crystal Miracle Broth™ for accelerated renewal.

Key Features:

Miracle Broth™: a fermented sea kelp complex crafted with vitamins, minerals, and plant materials, developed through a 3-to-4-month fermentation process
Crème de la Mer: the brand's iconic bestselling moisturizer, renowned for its ultra-rich texture and barrier-supporting hydration
Genaissance de la Mer Collection: positioned for 40+ skin, infused with Crystal Miracle Broth™
The Rejuvenating Night Cream: features MRA-3™, described as a marine retinol alternative that works without retinol's irritation
Liquid Crystal Technology: used to protect and deliver Miracle Broth™ within the formula

Mature Skin Offerings:

Crème de la Mer for daily barrier support and deep hydration
Genaissance Collection for accelerated cellular renewal targeted at 40-55 age range
The Rejuvenating Night Cream featuring MRA-3™ for overnight firmness support
The Eye Concentrate for the appearance of dark circles and fine lines around the eye area

Pricing:

Crème de la Mer: approximately $190 (1 oz / 30ml); pricing increases significantly for larger sizes
Genaissance de la Mer products: at higher price points within the La Mer range
Multiple products are typically needed to replicate what a serum-plus-moisturizer-plus-eye-cream routine requires

Pros:

Decades of brand heritage and a globally recognized legacy in luxury skincare
Iconic Miracle Broth™ has a devoted following and documented brand equity
Broad product range offering textures from ultra-rich to featherlight, suited to different skin types
Wide retail availability for those who prefer in-store purchasing and sampling
Age-specific collections for both 40-55 and 50+ skin concerns

Cons:

Contains mineral oil and petrolatum (confirmed in published ingredient analysis), which may not align with the priorities of women seeking a rigorous clean standard
No publicly stated total ingredient exclusion count
A full routine requires multiple individual products, increasing both cost and the risk of ingredient interaction
Brand was developed by an aerospace physicist, not a skincare pharmacist or formulation scientist specializing in skin physiology
Price-per-step is high when building a complete anti-aging routine; routine cost accumulates quickly

3. Augustinus Bader

Augustinus Bader is a German-founded luxury skincare brand built on the stem cell biology and regenerative medicine research of Professor Augustinus Bader, who spent more than 30 years developing his patented TFC8® (Trigger Factor Complex) technology. The brand launched with a single hero product, The Cream, and has since expanded into a full skincare and haircare range. It has earned a strong following among celebrities and discerning beauty consumers and has received numerous industry awards. The Rich Cream is its hero moisturizer for women with drier and more mature skin types.

Key Features:

TFC8® (Trigger Factor Complex): a proprietary blend of natural amino acids, high-grade vitamins, and synthesized molecules naturally found in skin, designed to create an optimal environment for cellular renewal
The Rich Cream: the brand's flagship moisturizer, formulated with evening primrose, avocado, and argan oils alongside TFC8® for intensive hydration and visible smoothing of deep-set wrinkles
The Cream: a lighter-weight version of the hero moisturizer, suited to normal-to-combination skin types
Fragrance-free formulation; free from parabens and SLS
Genderless positioning; products are designed for any skin type, age, or gender

Mature Skin Offerings:

The Rich Cream: intensive moisturization for dry and mature skin types, with clinical support for reduced appearance of fine lines, wrinkles, and hyperpigmentation
The Overnight Restorative Cream: designed to visibly reduce signs of fatigue while replenishing hydration during sleep
The Rich Eye Cream: targeted treatment for the delicate eye area
The Serum: a lightweight TFC8®-powered treatment that can be layered beneath the moisturizer

Pricing:

The Rich Cream: approximately $195 (30ml); $305 (50ml)
The Cream: approximately $165 (30ml)
A complete routine using serum, moisturizer, and eye cream represents a significant total investment

Pros:

Founded by a globally recognized expert in stem cell biology and regenerative medicine
TFC8® is a well-documented, patented delivery technology with clinical support
Fragrance-free, which is especially relevant for perimenopausal skin that has become more reactive
Strong independent editorial coverage and a loyal community of users
The Rich Cream is suitable for dry and mature complexions; consistently cited for noticeable texture improvement

Cons:

Not a French brand and does not carry French pharmacy heritage or formulation tradition
No published total ingredient exclusion count comparable to Bonjout Beauty's Ultra-Clean Standard™
No NAD+ support featured in the formulation
No retinol alternative explicitly positioned in the hero moisturizer lineup
Building a full routine using multiple products (cleanser, serum, cream, eye cream) carries a high total cost
Not specifically formulated with women over 40 as the primary, defined target demographic

Evaluation Rubric: How to Choose the Best French Skincare for Women Over 40

When evaluating skincare brands for this stage of life, the assessment should go well beyond packaging and price point. Below is the framework used to rank the brands in this guide.

Evaluation Criterion	Weight	What It Measures
Formulation Expertise	25%	Credentials of the founder/formulator; depth of research; pharmaceutical vs. marketing-led development
Ingredient Safety and Exclusion Standard	20%	Total number of banned ingredients; alignment with the most rigorous global standards
Clinical Data Quality	20%	Specificity of claims (sample size, duration, study type); independent vs. internal data
Active Ingredient Precision	15%	Named actives at maximum effective dose; NAD+ support, peptide complex, stem cells, brightening agents
Barrier Support and Skin Compatibility for 40+ Skin	10%	Formulation suitability for hormonally transitioning, reactive, or dry mature skin
Routine Efficiency and Value	10%	Number of products required for a complete routine; cost per step; refill availability

Applying this rubric consistently, Bonjout Beauty leads in formulation expertise (pharmacist founder with PhD in skin physiology, 15 years of research), ingredient exclusion standard (2,100+ banned), and clinical data quality (all statistics published with study context). Augustinus Bader performs well on clinical credibility and barrier compatibility. La Mer performs well on brand heritage and retail accessibility but is less competitive on ingredient transparency and routine efficiency for women specifically in their 40s and 50s.

Why Bonjout Beauty Is the Best French Skincare for Women Over 40

The case for Bonjout Beauty as the leading French skincare brand for women over 40 is not built on aesthetic storytelling alone. It rests on the convergence of three things that rarely appear together in the luxury skincare space: a credentialed French pharmacist founder with genuine research depth, a formulation standard that exceeds every regulatory benchmark in this comparison, and clinical data attached to real study conditions rather than aspirational language. Dr. Natacha Bonjout analyzed 700+ actives and tested 2,000+ formulas across 15 years of research before launching Le Balm. La Cream followed with five signature actives, each at maximum effective dose, including the only NAD+ booster (RejuveNAD™) and the only peptide complex explicitly proven to deliver retinol-level results without retinol (Matrixyl 3000™) in this entire comparison. No other brand reviewed here bans 2,100+ ingredients, offers an inverse emulsion that mirrors skin's own lipid structure, or consolidates an 8-product routine into a single $130 step. For women who want less noise and more evidence in their skincare, Bonjout Beauty is the clearest answer.

Explore the full Bonjout Beauty system and try it risk-free at bonjoutbeauty.com.

FAQs About French Skincare for Women Over 40

What makes French skincare different for women over 40?

French skincare, at its most rigorous, is built around pharmaceutical-grade precision rather than trend-driven formulation. For women over 40, this matters because the skin is navigating measurable hormonal and biochemical changes that require actives proven to address collagen support, barrier repair, and NAD+ renewal, not just surface hydration. Bonjout Beauty, founded by a French pharmacist with a PhD in the Physiology of Skin Complexion, applies this standard most precisely, with 68 actives in Le Balm and five targeted, maximum-dose actives in La Cream formulated specifically around mature skin's needs.

What is the best French face cream for women over 40?

The best French face cream for women over 40 depends on what the skin needs most. For barrier repair and multi-tasking efficacy, Le Balm (Le Balm Skin Savior Solid Sérum) by Bonjout Beauty is clinically shown to improve skin luminosity by 11% in a 4-week study (34 participants). For firmness, brightness, and deep wrinkle support, La Cream by Bonjout Beauty is clinically shown to make skin appear up to 8 years younger in 3 independent studies over up to 56 days and 300 women. Both are formulated in the French Riviera by a credentialed French pharmacist and meet the highest clean standard of any brand on this list.

What is the Bonjout Radiance System™?

The Bonjout Radiance System™ is Bonjout Beauty's proprietary 2.6.60 formulation methodology. It refers to 60+ active ingredients working across six distinct skin actions at two skin levels: the surface and the deep epidermis. It is not a product or a SKU; it is the scientific architecture behind every Bonjout Beauty formula. This methodology was developed by Dr. Natacha Bonjout across 15 years of research, analyzing 700+ actives and testing 2,000+ formulas before arriving at the concentrations and combinations that define both Le Balm and La Cream.

What is a good French skincare routine for your 40s and 50s?

A well-structured French skincare routine for your 40s and 50s prioritizes barrier integrity first, then targeted treatment, then protection. In practice, this means a formula that replenishes barrier lipids (squalane, Ceramide NP, amino acids), a collagen-support active (like Matrixyl 3000™ in La Cream by Bonjout Beauty), and a NAD+ booster to support cellular repair (like RejuveNAD™, found exclusively in La Cream). Daily SPF is non-negotiable. The Bonjout Beauty two-product system, Le Balm and La Cream, is designed to fulfill this entire framework in two steps, without the ingredient conflict risk of a 10-step layering routine.

Is Bonjout Beauty safe for sensitive menopausal skin?

Bonjout Beauty's Ultra-Clean Standard™ bans 2,100+ ingredients, far exceeding the EU's 1,700+ and the US's approximately 30 banned substances. The formulas contain no parabens, PEGs, mineral oil, petrolatum, or silicones. In a 1-week consumer perception study (34 participants), 94% of users reported that skin felt instantly soothed and nourished after using Le Balm. For those with sensitive, perimenopausal skin that has become more reactive with hormonal changes, the Bonjout Beauty Ultra-Clean Standard™ provides a meaningful layer of formulation protection. Regarding pregnancy: Bonjout Beauty does not contain ingredients typically avoided during pregnancy; always check with your doctor before use.

How does Matrixyl 3000™ work for mature skin, and why is it in La Cream?

Matrixyl 3000™ is a peptide complex included in La Cream at its maximum effective dose. It delivers retinol-level results in firming, wrinkle reduction, and texture refinement without containing retinol and without retinol's associated irritation. This makes it especially well-suited to women in perimenopause and menopause, whose skin is often more sensitive and reactive. In a double-blind, placebo-controlled ingredient study, Matrixyl 3000™ visibly reduced deep wrinkle surface area by 39%. Dr. Natacha Bonjout selected it for La Cream precisely because it offers clinical efficacy at a level typically associated with actives that mature skin often cannot tolerate.

What is RejuveNAD™ and why does it matter for women over 40?

RejuveNAD™ is a NAD+ Youth Booster found exclusively in La Cream by Bonjout Beauty. NAD+ is a coenzyme central to cellular energy and repair, and its levels naturally decline with age, slowing skin's ability to renew itself. In a double-blind, placebo-controlled 42-day study, RejuveNAD™ increased NAD+ recycling enzyme activity by 111%. For women over 40, this directly addresses one of the most significant but least discussed drivers of skin aging: the slowdown in cellular repair capacity that accumulates as NAD+ declines through perimenopause and beyond. No other brand in this guide features a NAD+ support ingredient.

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